Log message:
Pullup ticket #4689 - requested by dholland
net/socat: build fix

Revisions pulled up:
- net/socat/Makefile                                            1.33

---
   Module Name:	pkgsrc
   Committed By:	dholland
   Date:		Sat Apr 25 23:31:23 UTC 2015

   Modified Files:
   	pkgsrc/net/socat: Makefile

   Log message:
   Add clang to ONLY_FOR_COMPILER per PR 49852 from Alexander Borkowski.

   (XXX: shouldn't the wrappers be taking care of -Werror for compilers
   that don't understand it?)