$NetBSD$

Allow x86_64 as a SunOS arch.
--- configure.orig	2009-10-12 05:04:15.000000000 +0000
+++ configure
@@ -18293,7 +18293,7 @@ fi
 		  sparc*)
 			SOLARIS_INOUT_ARCH="sparcv8plus"
 			;;
-		  i*86)
+		  i*86|x86_64)
 			if test x$SOLARIS_64 = xyes ; then
 				SOLARIS_INOUT_ARCH="amd64"
 			else
