configure.ac: remove the check for the (not used) ftw.h header.

diff --git a/configure.ac b/configure.ac
index 7aa7c58a7e18ec4829933c42c71d754aed04fad9..5b10ac690b535c4e41ec68ab08e0477a667bacaa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ AC_HEADER_STDBOOL # stdbool.h
 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 ftw.h getopt.h libgen.h limits.h linux/xattr.h ])
+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 ])
 
 # We need openat() with O_NOFOLLOW from POSIX-2008. Without them, we