Update mac qt 4 gypi

Author: build

platform/mac/wd_qt4.8.5.gypi

@@ -2,7 +2,7 @@
   'variables': {
     'QT5': '0', # change to '1' for enabling Qt5
     'DESKTOP_QT_BIN_PATH': '/usr/local/Trolltech/Qt-4.8.5/bin',
-    'DESKTOP_QT_INC_PATH': '/usr/local/qt-4.8.5/include',
+    'DESKTOP_QT_INC_PATH': '/usr/local/Trolltech/Qt-4.8.5/include',
     'DESKTOP_QT_LIB_PATH': '/usr/local/Trolltech/Qt-4.8.5/lib',
     'INTERMEDIATE_DIR': 'mocs',
   },