Remove compiler flag that's not supported by all three gcc versions,

-Werror. Fixes build on at least sgi.

ok steven@ (MAINTAINER)

textproc/gnuvd/patches/patch-src_Makefile_in

@@ -0,0 +1,15 @@
+$OpenBSD: patch-src_Makefile_in,v 1.1 2010/08/25 17:37:41 jasper Exp $
+
+Remove flag that's not supported by all three gcc versions.
+
+--- src/Makefile.in.orig	Wed Aug 25 19:27:06 2010
++++ src/Makefile.in	Wed Aug 25 19:27:13 2010
+@@ -176,7 +176,7 @@ target_alias = @target_alias@
+ top_build_prefix = @top_build_prefix@
+ top_builddir = @top_builddir@
+ top_srcdir = @top_srcdir@
+-AM_CFLAGS = -Wall -Wextra -Wno-unused-parameter
++AM_CFLAGS = -Wall -Wno-unused-parameter
+ gnuvd_SOURCES = \
+ 	main.c		\
+ 	gnuvd.c		\