whee more robus tagging...

SVN revision: 1101

image.c

@@ -28,6 +28,9 @@ __imlib_AttachTag(ImlibImage *im, char *key, int val, void *data,
    if (!key)
       return;   
 
+   /* if a tag of that name alreayd exists - remove it and free it */
+   if (t = __imlib_RemoveTag(im, key))
+      __imlib_FreeTag(im, t);
    /* allocate the struct */
    t = malloc(sizeof(ImlibImageTag));
    /* fill it int */