[Gtkradiant] [Bug 813] New: use fink's libgtkglext instead of our homebrew version

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=813

           Summary: use fink's libgtkglext instead of our homebrew version
           Product: GtkRadiant
           Version: 1.3
          Platform: All
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: setup
        AssignedTo: ttimo@idsoftware.com
        ReportedBy: ttimo@idsoftware.com


http://sourceforge.net/tracker/?func=detail&aid=711319&group_id=17203&atid=371315

we compile our own lib for gtkglext if I remember right
it has been added to fink packages now, so we should try to switch to the package