$NetBSD: patch-configure,v 1.1 2016/07/10 21:57:47 kamil Exp $

Fix unportable shell construct.

--- configure.orig	2009-07-06 00:02:26.000000000 +0000
+++ configure
@@ -20251,7 +20251,7 @@ $as_echo_n "checking for Python library 
                 py_version=`$PYTHON -c "from distutils.sysconfig import *; \
                         from string import join; \
                         print join(get_config_vars('VERSION'))"`
-                if test "$py_version" == "None"; then
+                if test "$py_version" = "None"; then
                         if test -n "$PYTHON_VERSION"; then
                                 py_version=$PYTHON_VERSION
                         else