$NetBSD$

Fix unportablet test(1) construct.

--- configure.orig	2014-04-24 09:18:18.000000000 +0000
+++ configure
@@ -15551,7 +15551,7 @@ else
 fi
 
 
-if test x"$GST_FOUND" == x"yes"; then
+if test x"$GST_FOUND" = x"yes"; then
 
 
   # minimum supported version of pkg-config
