Fix multi-editmode memory leak

Previous commit only removed return's.

source/blender/editors/mesh/editmesh_tools.c

@@ -451,9 +451,10 @@ static int edbm_delete_exec(bContext *C, wmOperator *op)
 		EDBM_flag_disable_all(em, BM_ELEM_SELECT);
 
 		EDBM_update_generic(em, true, true);
-
 	}
 
+	MEM_SAFE_FREE(objects);
+
 	return changed_multi ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
 }