Fix NullPointerException in fragment.WeiboListBase.toTop

[Tlaster]

Version: 0.89757.1 (1) | moe.tlaster.openween

Stacktrace

fragment.WeiboListBase;toTop;;
common.controls.Pivot$FragmentPageAdapter;toTop;;
common.controls.Pivot$1;onTabReselected;;

Reason

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.scrollToPosition(int)' on a null object reference

Link to HockeyApp

• https://rink.hockeyapp.net/manage/apps/418586/app_versions/1/crash_reasons/143533719