Do not rely on <zlib.h> to pull in <unistd.h>.

There are numerous places in the got code that rely on the fact
that on OpenBSD zlib.h -> zconf.h pulls in unistd.h.  This is not
the case elsewhere (e.g. on FreeBSD) and even if we don't care about
portability at this point, it seems wrong.

OK?

diff 4dbec0a83c320fcd126d9d2014fae24906ce415d /home/naddy/got
blob - 8ef36ea24722ce33ed0f15376b6bb415e2712e37
file + lib/fetch.c
--- lib/fetch.c
+++ lib/fetch.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <stdint.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <ctype.h>
 #include <limits.h>
blob - fbef58ae984ad17c5cf64c92059811d717395226
file + lib/inflate.c
--- lib/inflate.c
+++ lib/inflate.c
@@ -21,6 +21,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <time.h>
 
blob - a43dbc1f6911b315509559a874c7b729ba68d96f
file + lib/object.c
--- lib/object.c
+++ lib/object.c
@@ -30,6 +30,7 @@
 #include <string.h>
 #include <stdint.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <ctype.h>
 #include <libgen.h>
blob - db3c786ab7869776389551c7137e9216e02f0861
file + lib/pack.c
--- lib/pack.c
+++ lib/pack.c
@@ -29,6 +29,7 @@
 #include <limits.h>
 #include <sha1.h>
 #include <endian.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <imsg.h>
 
blob - 44f5cc811353036797f501a79e4fb1ee0f11dcf1
file + lib/privsep.c
--- lib/privsep.c
+++ lib/privsep.c
@@ -30,6 +30,7 @@
 #include <poll.h>
 #include <imsg.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <time.h>
 
blob - 3c2632d04567f59182586129b87e15927dbe4b0d
file + lib/reference.c
--- lib/reference.c
+++ lib/reference.c
@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 #include <util.h>
 #include <zlib.h>
 #include <time.h>
blob - b8408a749c9e5ff2c1983eb5d006ed171fdfb6e8
file + lib/repository.c
--- lib/repository.c
+++ lib/repository.c
@@ -32,6 +32,7 @@
 #include <sha1.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <errno.h>
 #include <libgen.h>
blob - 2f846cab12b0b0230692cf8242bd2502017a6e1e
file + libexec/got-fetch-pack/got-fetch-pack.c
--- libexec/got-fetch-pack/got-fetch-pack.c
+++ libexec/got-fetch-pack/got-fetch-pack.c
@@ -32,6 +32,7 @@
 #include <ctype.h>
 #include <sha1.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <err.h>
 
blob - 749ad2dc3d6f06e43e610c01a973c757dad065f3
file + libexec/got-index-pack/got-index-pack.c
--- libexec/got-index-pack/got-index-pack.c
+++ libexec/got-index-pack/got-index-pack.c
@@ -34,6 +34,7 @@
 #include <ctype.h>
 #include <sha1.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include <zlib.h>
 #include <err.h>
 #include <assert.h>
blob - 259da2e7e9b6fd36089b5396d4ef34f94744a694
file + libexec/got-read-blob/got-read-blob.c
--- libexec/got-read-blob/got-read-blob.c
+++ libexec/got-read-blob/got-read-blob.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - 24e3dce4fa25b6cdd345bf34190e5a0c4c476dba
file + libexec/got-read-commit/got-read-commit.c
--- libexec/got-read-commit/got-read-commit.c
+++ libexec/got-read-commit/got-read-commit.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - 4685960f41cf29909f661344f0aa7dd6f83457c8
file + libexec/got-read-gitconfig/got-read-gitconfig.c
--- libexec/got-read-gitconfig/got-read-gitconfig.c
+++ libexec/got-read-gitconfig/got-read-gitconfig.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - cf31541a181db9f3a92ea0820134c23639a7026b
file + libexec/got-read-object/got-read-object.c
--- libexec/got-read-object/got-read-object.c
+++ libexec/got-read-object/got-read-object.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - 8491283af1685286ea2072fcd623d544df16facd
file + libexec/got-read-pack/got-read-pack.c
--- libexec/got-read-pack/got-read-pack.c
+++ libexec/got-read-pack/got-read-pack.c
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - c9959de2131e52c0fd9d5bdd3d72e5504cdfaeb8
file + libexec/got-read-tag/got-read-tag.c
--- libexec/got-read-tag/got-read-tag.c
+++ libexec/got-read-tag/got-read-tag.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
blob - 577f7c91bd72d65e5741061fa641b0b5b20237f6
file + libexec/got-read-tree/got-read-tree.c
--- libexec/got-read-tree/got-read-tree.c
+++ libexec/got-read-tree/got-read-tree.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sha1.h>
+#include <unistd.h>
 #include <zlib.h>
 
 #include "got_error.h"
-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de