$NetBSD: patch-configure,v 1.1 2020/02/07 12:25:49 ryoon Exp $

Fix shell portability issue.

--- configure.orig	2019-05-16 11:50:44.000000000 +0000
+++ configure
@@ -20397,7 +20397,7 @@ $as_echo "no" >&6; }
 fi
 
 
-    if test "x$VAPIGEN" == "xno"; then
+    if test "x$VAPIGEN" = "xno"; then
         as_fn_error $? "Cannot find the \"vapigen\" binary in your PATH" "$LINENO" 5
     fi