fix tcscreencutdialog.h's TIANCHI_API macro bug
fix tcscreencutdialog.h's TIANCHI_API macro bug

qtcn/tianchi,seem-sky/tianchi,qtcn/tianchi,XChinux/xchinux_tianchi,seem-sky/tianchi,wzguo/tianchi,wzguo/tianchi,XChinux/xchinux_tianchi