[plt-scheme] Mac gcc flag no longer needed

Hi,

Hehe... Sorry for my lousy patch.
Here is a corrected version, that doesn't break so easily (and was  
actually tested). at least I think it's not worth it to keep the  
variable if it's not being used.

   - Filipe Cabecinhas


-------------- next part --------------
A non-text attachment was scrubbed...
Name: plt-mac-gcc.patch
Type: application/octet-stream
Size: 20988 bytes
Desc: not available
URL: <http://lists.racket-lang.org/users/archive/attachments/20080605/d30e18c8/attachment.obj>