audio/libg722: Fix build

PR:             233780
Submitted by:   Nathan <ndowens@yahoo.com>

Index: audio/libg722/Makefile
===================================================================
--- audio/libg722/Makefile	(revision 486476)
+++ audio/libg722/Makefile	(working copy)
@@ -4,7 +4,7 @@
 PORTNAME=	libg722
 DISTVERSIONPREFIX=	v_
 DISTVERSION=	1_0_2
-#PORTREVISION=	1
+PORTREVISION=	1
 CATEGORIES=	audio
 
 MAINTAINER=	ports@sippysoft.com
@@ -16,18 +16,10 @@
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 USE_GITHUB=	yes
-GH_ACCOUNT=	sippy
-
 USE_LDCONFIG=	yes
 
-MAKE_ENV=	MAKEOBJDIR=${WRKDIR}
+GH_ACCOUNT=	sippy
 
-do-install:
-	${INSTALL_DATA} ${WRKSRC}/g722.h ${STAGEDIR}${PREFIX}/include
-	${INSTALL_DATA} ${WRKSRC}/g722_decoder.h ${STAGEDIR}${PREFIX}/include
-	${INSTALL_DATA} ${WRKSRC}/g722_encoder.h ${STAGEDIR}${PREFIX}/include
-	${INSTALL_DATA} ${WRKDIR}/libg722.a ${STAGEDIR}${PREFIX}/lib
-	${INSTALL_PROGRAM} ${WRKDIR}/libg722.so.0 ${STAGEDIR}${PREFIX}/lib
-	${LN} -sf libg722.so.0 ${STAGEDIR}${PREFIX}/lib/libg722.so
+MAKEFILE=	GNUmakefile
 
 .include <bsd.port.mk>