- use ${MACHINE_ARCH} instead of ${ARCH} for consistency across the tree

- unbreak build on mips64 by adding it to the list of arches where llvm is disabled

ok sthen@ (MAINTAINER)

security/clamav/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.102 2015/12/01 23:25:09 sthen Exp $
+# $OpenBSD: Makefile,v 1.103 2016/01/25 20:20:53 jasper Exp $
 
 COMMENT=		virus scanner
 DISTNAME=		clamav-0.99
@@ -57,7 +57,7 @@ CONFIGURE_ENV+=	LDFLAGS="${LDFLAGS}" \
 FAKE_FLAGS=	sysconfdir=${PREFIX}/share/examples/clamav
 
 .include <bsd.port.arch.mk>
-.if ${PROPERTIES:Mllvm} && ! ${ARCH:Msparc64}
+.if ${PROPERTIES:Mllvm} && ! ${MACHINE_ARCH:Msparc64} && ! ${MACHINE_ARCH:Mmips64}
 CONFIGURE_ARGS+=	--enable-llvm
 # At present (20140228 snapshot of LLVM, which is pre-3.5 but advertising a
 # 3.5 version number), system LLVM does not work with ClamAV. To attempt