Log message:
Pullup ticket #6406 - requested by nia
security/polkit: build fix

Revisions pulled up:
- security/polkit/Makefile                                      1.31
- security/polkit/buildlink3.mk                                 1.5

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Tue Jan 19 22:36:19 UTC 2021

   Modified Files:
   	pkgsrc/security/polkit: Makefile buildlink3.mk

   Log message:
   polkit: build fix: bump GCC requirement