[glib/wip/3v1n0/support-can-fail-tests: 4/8] glocalfileinfo: Define errsv only if it's used

[Marco Trevisan <marcotrevi src gnome org>]

commit bb07b3e3e62dbd26976098436816f8134bc1450e
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Thu Oct 20 00:32:17 2022 +0200

    glocalfileinfo: Define errsv only if it's used

 gio/glocalfileinfo.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/gio/glocalfileinfo.c b/gio/glocalfileinfo.c
index 661d2266ab..bfc25504f6 100644
--- a/gio/glocalfileinfo.c
+++ b/gio/glocalfileinfo.c
@@ -1385,7 +1385,10 @@ get_content_type (const char          *basename,
        {
          guchar sniff_buffer[4096];
          gsize sniff_length;
-         int fd, errsv;
+#ifdef O_NOATIME
+         int errsv;
+#endif
+         int fd;
 
          sniff_length = _g_unix_content_type_get_sniff_len ();
          if (sniff_length == 0 || sniff_length > 4096)