$NetBSD: patch-configure,v 1.2 2020/09/20 23:12:15 mef Exp $

Fix the use of == in shell scripts.

--- configure.orig	2020-09-12 01:56:31.000000000 +0000
+++ configure
@@ -3628,7 +3628,7 @@ fi
 
 fi
 
-if test "x$have_nc_config" == xyes; then :
+if test "x$have_nc_config" = xyes; then :
 
     # Prepend linker flags to LDFLAGS:
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking netcdf linker flags" >&5
@@ -3910,7 +3910,7 @@ fi
 
 
 # Define HAVE_LIBUDUNITS2 if all udunits2 checks were successful:
-if test "x$enable_calendar" == xyes; then :
+if test "x$enable_calendar" = xyes; then :
   $as_echo "#define HAVE_LIBUDUNITS2 1" >>confdefs.h
 
 else
