replaced wxMACINTOSH with wxMAC and wxMAC_DARWIN to differentiate return value of wxGetOsVersion according to whether Mac paths or Unix paths are used git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12237 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775