Revert "Fixes build failure on Mac OS X 10.10 Yosemite Beta due to highgui/src/window_cocoa.mm (Bug #3737)"
Revert "Fixes build failure on Mac OS X 10.10 Yosemite Beta due to highgui/src/window_cocoa.mm (Bug #3737)"

This reverts commit 56683e6d112a808fbd51c74917f0c4d9d752f502.

opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv