ivi-layout-transition: Fix potential leak of memory pointed to by transition

Free transition before return. We don't need to use layout_transition_destroy,
because transition was not registered yet.

v2: consolidate memory leaks fixes

Signed-off-by: Lucas Tanure <tanure@linux.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>

ivi-shell/ivi-layout-transition.c

@@ -340,6 +340,7 @@ create_move_resize_view_transition(
 	data = malloc(sizeof(*data));
 	if (data == NULL) {
 		weston_log("%s: memory allocation fails\n", __func__);
+		free(transition);
 		return NULL;
 	}
 
@@ -468,6 +469,7 @@ create_fade_view_transition(
 	data = malloc(sizeof(*data));
 	if (data == NULL) {
 		weston_log("%s: memory allocation fails\n", __func__);
+		free(transition);
 		return NULL;
 	}
 
@@ -697,6 +699,7 @@ create_move_layer_transition(
 	data = malloc(sizeof(*data));
 	if (data == NULL) {
 		weston_log("%s: memory allocation fails\n", __func__);
+		free(transition);
 		return NULL;
 	}