Disable the gold linker when building on ia64. It is not supported on this
architecture, and having it enabled nontheless gives plist issues. 
Fix plist when compiled with NLS support 
Bump PORTREVISION since the plist changed.
Reported by: Anton Shterenlikht <firstname.lastname@example.org> (private mail) 
eadler, crees, makc (on irc) 
Approved by: kwm (mentor)