use PROC instead of OSARCH

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4835 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/h323/Makefile

@@ -24,7 +24,7 @@ PROC=$(shell uname -m)
 ifneq (${OSARCH},FreeBSD)
 ifneq (${OSARCH},NetBSD)
 ifneq (${PROC},ppc)
-CFLAGS += -march=$(ARCH)
+CFLAGS += -march=$(PROC)
 endif
 endif
 endif