[gimp] Bug 769959 - crash during WebP file loading

[Jehan Pagès <jehanp src gnome org>]

commit e4a2f220e0e7a868fa6f56b0cb82c0ee97ab1ba6
Author: skal <pascal massimino gmail com>
Date:   Mon Aug 15 16:16:20 2016 -0700

    Bug 769959 - crash during WebP file loading
    
    WebPDataClear() was called on already-free'd data.

 plug-ins/file-webp/file-webp-load.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/file-webp/file-webp-load.c b/plug-ins/file-webp/file-webp-load.c
index 05b7fdd..0b669f2 100644
--- a/plug-ins/file-webp/file-webp-load.c
+++ b/plug-ins/file-webp/file-webp-load.c
@@ -149,9 +149,6 @@ load_image (const gchar *filename,
       /* Attempt to decode the data as a WebP image */
       outdata = WebPDecodeRGBA (indata, indatalen, &width, &height);
 
-      /* Free the original compressed data */
-      g_free (indata);
-
       /* Check to ensure the image data was loaded correctly */
       if (! outdata)
         return -1;
@@ -208,7 +205,8 @@ load_image (const gchar *filename,
         }
     }
 
-  WebPDataClear (&wp_data);
+  /* Free the original compressed data */
+  g_free (indata);
 
   if (icc)
     {