Log message:
Pullup ticket #6238 - requested by nia
net/grpc: i386 build fix

Revisions pulled up:
- net/grpc/Makefile                                             1.26

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Sat Jun 13 11:26:31 UTC 2020

   Modified Files:
   	pkgsrc/net/grpc: Makefile

   Log message:
   grpc: needs 64-bit atomic ops