[glib] gio-querymodules: fix memory leak

[Marc-Andre Lureau <malureau src gnome org>]

commit 73c5e927d5cd6d8b083f971852830f6d84ca478d
Author: Marc-André Lureau <marcandre lureau redhat com>
Date:   Sun Feb 5 19:28:21 2017 +0400

    gio-querymodules: fix memory leak
    
    Spotted thanks to ASAN.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=778207
    
    Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>

 gio/gio-querymodules.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gio/gio-querymodules.c b/gio/gio-querymodules.c
index 30c9c88..2a65848 100644
--- a/gio/gio-querymodules.c
+++ b/gio/gio-querymodules.c
@@ -119,6 +119,7 @@ query_dir (const char *dirname)
         g_printerr ("Unable to unlink %s: %s\n", cachename, g_strerror (errno));
     }
 
+  g_free (cachename);
   g_string_free (data, TRUE);
 }