$NetBSD: patch-configure.in,v 1.1 2020/01/02 09:56:49 tsutsui Exp $

Fix for "ERROR: [check-portability.awk] => Found test ... == ...:" warning.

--- configure.in.orig	2008-01-06 06:20:00.000000000 +0000
+++ configure.in
@@ -140,7 +140,7 @@ dnl Checks for libraries.
 have_alsa=no
 AC_ARG_ENABLE(alsa,
   [  --enable-alsa             Try to use ALSA])
-if test "$enable_alsa" == "yes" ; then
+if test "$enable_alsa" = "yes" ; then
   AM_PATH_ALSA(0.9.0)
   if test "$have_alsa" = "error" ; then
     have_alsa=no