Log message:
Pullup ticket #6173 - requested by nia
games/supertux: build fix

Revisions pulled up:
- games/supertux/Makefile                                       1.22

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Tue Mar 31 09:44:34 UTC 2020

   Modified Files:
   	pkgsrc/games/supertux: Makefile

   Log message:
   supertux: Disable pointless portability check...