$NetBSD: patch-configure,v 1.1 2019/10/28 12:38:35 nia Exp $

Shell portability.

--- configure.orig	2015-12-06 14:12:04.000000000 +0000
+++ configure
@@ -22981,7 +22981,7 @@ fi
 
 
 
-if test "x$missingmusic" == xx ; then
+if test "x$missingmusic" = xx ; then
 { $as_echo "$as_me:${as_lineno-$LINENO}:
 The music files could not be found. These are not distributed together with the
 source code because of their size.