$NetBSD: patch-configure.ac,v 1.1 2020/08/08 22:52:57 brook Exp $

Use of == with test is not portable; use = instead.

--- configure.ac.orig	2018-06-08 13:06:37.000000000 +0000
+++ configure.ac
@@ -45,7 +45,7 @@ else
 fi
 
 AC_CHECK_LIB(expat, XML_ParserCreate, [],[], ${LIBS})
-if test "${ac_cv_lib_expat_XML_ParserCreate}" == yes; then
+if test "${ac_cv_lib_expat_XML_ParserCreate}" = yes; then
    LIBS="${LIBS} -lexpat"
 fi