Fix nil map assignment error

[bluewolfali]

In the GetFriendshipStatusCall.Do method, there is a bug that causes a runtime panic with the error message "assignment to entry in nil map". This error occurs when trying to set a value in the urlQuery map, which has been declared but not initialized.

Here is the problematic code:

func (call *GetFriendshipStatusCall) Do() (*GetFriendshipStatusResponse, error) {
	var urlQuery url.Values
	urlQuery.Set("access_token", call.accessToken)
	...
}

[kkdai]

LGTM