$NetBSD: patch-configure.ac,v 1.1 2015/04/02 23:52:50 rodent Exp $

Fix portability failure.

--- configure.ac.orig	2014-12-27 12:40:45.000000000 +0000
+++ configure.ac
@@ -28,7 +28,7 @@ AC_CHECK_MEMBER(struct tm.tm_gmtoff,
 
 # test for boost anyways
 BOOST_REQUIRE([1.36], [boost=no])
-if test "$boost" == ""; then
+if test "$boost" = ""; then
   BOOST_TEST
 fi