[gimp] file-jpeg: unref GeglBuffer in case of a problem (contd.)

[Mukund Sivaraman <muks src gnome org>]

commit 3cb0b2f35ee7355ae291637daf26bbed2e18a56a
Author: Mukund Sivaraman <muks banu com>
Date:   Mon May 13 11:50:01 2013 +0530

    file-jpeg: unref GeglBuffer in case of a problem (contd.)
    
    The duplicate code in load_image() and load_thumbnail_image() should be
    merged at some point into a single function.

 plug-ins/file-jpeg/jpeg-load.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/file-jpeg/jpeg-load.c b/plug-ins/file-jpeg/jpeg-load.c
index 8ce8119..873e3a4 100644
--- a/plug-ins/file-jpeg/jpeg-load.c
+++ b/plug-ins/file-jpeg/jpeg-load.c
@@ -671,7 +671,7 @@ load_thumbnail_image (const gchar   *filename,
   guchar         **rowbuf;
   GimpImageBaseType image_type;
   GimpImageType    layer_type;
-  GeglBuffer      *buffer;
+  GeglBuffer      *buffer = NULL;
   gint             tile_height;
   gint             scanlines;
   gint             i, start, end;
@@ -712,6 +712,9 @@ load_thumbnail_image (const gchar   *filename,
           exif_data = NULL;
         }
 
+      if (buffer)
+        g_object_unref (buffer);
+
       return -1;
     }