[gnome-documents] utils: Don't leak the URI when thumbnailing

[Debarshi Ray <debarshir src gnome org>]

commit b58484a8413253827a4a08e74e4d9f44e333ee1f
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Mar 31 20:18:03 2017 +0200

    utils: Don't leak the URI when thumbnailing
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780780

 src/lib/gd-utils.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/lib/gd-utils.c b/src/lib/gd-utils.c
index 7606631..bc21649 100644
--- a/src/lib/gd-utils.c
+++ b/src/lib/gd-utils.c
@@ -43,7 +43,7 @@ create_thumbnail (GIOSchedulerJob *job,
   GFile *file = G_FILE (g_async_result_get_source_object (G_ASYNC_RESULT (result)));
   GnomeDesktopThumbnailFactory *factory = NULL;
   GFileInfo *info = NULL;
-  gchar *uri;
+  gchar *uri = NULL;
   GdkPixbuf *pixbuf = NULL;
   guint64 mtime;
 
@@ -87,6 +87,7 @@ create_thumbnail (GIOSchedulerJob *job,
   g_object_unref (file);
   g_clear_object (&factory);
   g_clear_object (&pixbuf);
+  g_free (uri);
   return FALSE;
 }