s3-waf: fix configure check for HAVE_LINUX_READAHEAD.

Guenther

diff --git a/source3/wscript b/source3/wscript
index dd77c3f058bb046067fc6765fb1a009ead5bae31..4432585ae0862d12935641d15bbb62dad33392b3 100644 (file)
--- a/source3/wscript
+++ b/source3/wscript
@@ -348,13 +348,10 @@ return acl_get_perm_np(permset_d, perm);
                msg="Checking whether the Linux 'fallocate64' function is available",
                headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
     conf.CHECK_CODE('''
-               #if defined(HAVE_UNISTD_H)
-               #include <unistd.h>
-               #endif
-               #include <fcntl.h>
                ssize_t err = readahead(0,0,0x80000);''',
                'HAVE_LINUX_READAHEAD',
-               msg="Checking whether Linux readahead is available")
+               msg="Checking whether Linux readahead is available",
+               headers='unistd.h fcntl.h')
     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 
     conf.CHECK_CODE('''