Pullup ticket #4168 - requested by martin
www/firefox: build fix

Revisions pulled up:
- www/firefox/distinfo                                          1.106
- www/firefox/patches/patch-mb                                  1.5
- www/firefox/patches/patch-xa                                  deleted

---
   Module Name:	pkgsrc
   Committed By:	martin
   Date:		Tue Jul  2 07:18:18 UTC 2013

   Modified Files:
   	pkgsrc/www/firefox: distinfo
   	pkgsrc/www/firefox/patches: patch-mb
   Removed Files:
   	pkgsrc/www/firefox/patches: patch-xa

   Log Message:
   Another minor mishap from the sparc64 patches (now the package actually
   builds on sparc64)
Pullup tickets #4168.