$NetBSD: patch-configure,v 1.2 2017/05/18 13:27:44 fhajny Exp $

Portability.

--- configure.orig	2017-05-15 09:42:02.000000000 +0000
+++ configure
@@ -15337,7 +15337,7 @@ $as_echo "#define OS_AIX 1" >>confdefs.h
 
   ;;
 esac
- if test x$os_type == xapple; then
+ if test x$os_type = xapple; then
   OS_APPLE_TRUE=
   OS_APPLE_FALSE='#'
 else
@@ -15345,7 +15345,7 @@ else
   OS_APPLE_FALSE=
 fi
 
- if test x$os_type == xlinux; then
+ if test x$os_type = xlinux; then
   xOS_LINUX_TRUE=
   xOS_LINUX_FALSE='#'
 else
@@ -15353,7 +15353,7 @@ else
   xOS_LINUX_FALSE=
 fi
 
- if test x$os_type == xlinux; then
+ if test x$os_type = xlinux; then
   OS_LINUX_TRUE=
   OS_LINUX_FALSE='#'
 else
