$NetBSD: patch-configure.in,v 1.1 2020/08/08 22:18:27 brook Exp $

Using == with test is not portable; replace with =.

--- configure.in.orig	2020-08-07 15:08:28.220236050 +0000
+++ configure.in
@@ -39,7 +39,7 @@ AC_CONFIG_HEADER(config.h)
 AM_INIT_AUTOMAKE([ncview],[ncview_version])
 
 AC_PATH_X
-if test "x$no_x" == "xyes"; then
+if test "x$no_x" = "xyes"; then
 	echo "------------------------------------------------------------------------------------"
 	echo "Error, the X libraries and development headers must be installed for ncview to work!"
 	echo "------------------------------------------------------------------------------------"