[frogr] Added missing null check when adding pictures to groups

[Mario Sanchez Prada <msanchez src gnome org>]

commit ba1cdcf3769e2c9f31a4ab660b21ec93bd6e2787
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Sun Nov 11 00:54:28 2012 +0100

    Added missing null check when adding pictures to groups

 src/frogr-controller.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/frogr-controller.c b/src/frogr-controller.c
index a6f8378..64e71b5 100644
--- a/src/frogr-controller.c
+++ b/src/frogr-controller.c
@@ -1243,7 +1243,7 @@ _add_to_group_cb (GObject *object, GAsyncResult *res, gpointer data)
   group = FROGR_GROUP (groups->data);
 
   fsp_session_add_to_group_finish (session, res, &error);
-  if (_should_retry_operation (error, uop_data->after_upload_attempts[AFTER_UPLOAD_OP_ADDING_TO_GROUP]))
+  if (error && _should_retry_operation (error, uop_data->after_upload_attempts[AFTER_UPLOAD_OP_ADDING_TO_GROUP]))
     {
       uop_data->after_upload_attempts[AFTER_UPLOAD_OP_ADDING_TO_GROUP]++;