Fix compilation error gnulib

gnulib.patch

diff --git a/lib/linkat.c b/lib/linkat.c
index 6a4f1a617..be4cbc415 100644
--- a/lib/linkat.c
+++ b/lib/linkat.c
@@ -331,8 +331,11 @@ rpl_linkat (int fd1, char const *file1, int fd2, char const *file2, int flag)
       /* OS X 10.10 has linkat() but it doesn't support
          hardlinks to symlinks.  Fallback to our emulation
          in that case.  */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wlogical-op"
       if (result == -1 && (errno == ENOTSUP || errno == EOPNOTSUPP))
         return at_func2 (fd1, file1, fd2, file2, link_immediate);
+#pragma GCC diagnostic pop
 # endif
       return result;
     }