$NetBSD: patch-configure,v 1.3 2021/09/19 02:55:21 mef Exp $

Fix the use of == in shell scripts.

--- configure.orig	2021-08-20 17:07:16.000000000 +0900
+++ configure	2021-09-19 11:44:01.660453490 +0900
@@ -3718,7 +3718,7 @@ fi
 
 fi
 
-if test "x$have_nc_config" == xyes
+if test "x$have_nc_config" = xyes
 then :
 
     # Prepend linker flags to LDFLAGS:
@@ -4064,7 +4064,7 @@ fi
 
 
 # Define HAVE_LIBUDUNITS2 if all udunits2 checks were successful:
-if test "x$enable_calendar" == xyes
+if test "x$enable_calendar" = xyes
 then :
   printf "%s\n" "#define HAVE_LIBUDUNITS2 1" >>confdefs.h