configure.ac: remove check for the (not used) sys/types.h header.

diff --git a/configure.ac b/configure.ac
index 5b10ac690b535c4e41ec68ab08e0477a667bacaa..cf5ccce074bc7d9936388ed0457c4a06a6b1669a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@ AC_HEADER_STDC    # stdlib.h string.h (implied: errno.h limits.h stdio.h)
 
 # Check for header files not covered by the predefined macros above.
 AC_CHECK_HEADERS([ fcntl.h getopt.h libgen.h limits.h linux/xattr.h ])
-AC_CHECK_HEADERS([ sys/acl.h sys/libacl.h sys/types.h unistd.h ])
+AC_CHECK_HEADERS([ sys/acl.h sys/libacl.h unistd.h ])
 
 # We need openat() with O_NOFOLLOW from POSIX-2008. Without them, we
 # can't operate securely; I would rather refuse to be built.