Modify .pro file for OpenCV

[mind_freak]

use slashes no backslash, don't use wild cards in file names

thanks...
but still same problem "No Such File or Directory"

C:/QtSDK/Facedetection-build-simulator/../../OpenCV2.2/include/opencv/highgui.h:47: error: opencv2/highgui/highgui_c.h: No such file or directory