updated AppleScript for multilib builds

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77064 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
updated multi-lib project file with naming close to Makefile convention

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77065 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775