fix build after pango 1.31 update: pangox is gone

www/gnash/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.51 2012/06/15 08:32:18 ajacoutot Exp $
+# $OpenBSD: Makefile,v 1.52 2012/09/22 17:33:29 naddy Exp $
 
 SHARED_ONLY=	Yes
 
@@ -49,7 +49,8 @@ LIB_DEPENDS=	audio/speex \
 USE_GMAKE=	Yes
 USE_LIBTOOL=	Yes
 LIBTOOL_FLAGS+=	--tag=disable-static
-CONFIGURE_STYLE= gnu
+AUTOCONF_VERSION=2.64
+CONFIGURE_STYLE= autoconf
 CONFIGURE_ARGS=	--disable-cygnal \
 		--disable-jemalloc \
 		--enable-renderer=agg \

www/gnash/patches/patch-macros_pango_m4

@@ -0,0 +1,12 @@
+$OpenBSD: patch-macros_pango_m4,v 1.1 2012/09/22 17:33:29 naddy Exp $
+--- macros/pango.m4.orig	Sat Sep 22 18:15:49 2012
++++ macros/pango.m4	Sat Sep 22 18:15:57 2012
+@@ -34,7 +34,7 @@ AC_DEFUN([GNASH_PATH_PANGO],
+   if test x$windows = xyes; then
+     pango_pkg=pangowin32
+   else
+-    pango_pkg=pangox
++    pango_pkg=pango
+   fi
+ 
+   if test x$cross_compiling = xno; then