If a variable had a blank value upon the initial setting, then it would do nothing.

Identified by Dmitry Andrianov via private email, fixed by me.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@195839 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_stack.c

@@ -201,13 +201,13 @@ static int frame_set_var(struct ast_channel *chan, struct gosub_stack_frame *fra
 		}
 	}
 
-	if (!ast_strlen_zero(value)) {
 	if (!found) {
 		variables = ast_var_assign(var, "");
 		AST_LIST_INSERT_HEAD(&frame->varshead, variables, entries);
 		pbx_builtin_pushvar_helper(chan, var, value);
-		} else
+	} else {
 		pbx_builtin_setvar_helper(chan, var, value);
+	}
 
 	manager_event(EVENT_FLAG_DIALPLAN, "VarSet",
 		"Channel: %s\r\n"
@@ -215,7 +215,6 @@ static int frame_set_var(struct ast_channel *chan, struct gosub_stack_frame *fra
 		"Value: %s\r\n"
 		"Uniqueid: %s\r\n",
 		chan->name, var, value, chan->uniqueid);
-	}
 	return 0;
 }