Log message:
Pullup ticket #6407 - requested by nia
www/firefox: build fix
www/firefox78: build fix

Revisions pulled up:
- www/firefox/mozilla-common.mk                                 1.196
- www/firefox78/mozilla-common.mk                               1.8

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Tue Jan 19 22:40:26 UTC 2021

   Modified Files:
   	pkgsrc/www/firefox: mozilla-common.mk
   	pkgsrc/www/firefox78: mozilla-common.mk

   Log message:
   firefox(78): set GCC_REQD