$NetBSD$

Portability fix

--- configure.orig	2010-10-23 02:30:40.000000000 +0000
+++ configure
@@ -5191,11 +5191,11 @@ fi
 # Check whether --enable-default-video-format was given.
 if test "${enable_default_video_format+set}" = set; then :
   enableval=$enable_default_video_format;
-if test "$enable_default_video_format" == "PAL" -o "$enable_default_video_format" == "pal"; then
+if test "$enable_default_video_format" = "PAL" -o "$enable_default_video_format" = "pal"; then
 
 $as_echo "#define DEFAULT_VIDEO_FORMAT 2" >>confdefs.h
 
-elif test "$enable_default_video_format" == "NTSC" -o "$enable_default_video_format" == "ntsc"; then
+elif test "$enable_default_video_format" = "NTSC" -o "$enable_default_video_format" = "ntsc"; then
 
 $as_echo "#define DEFAULT_VIDEO_FORMAT 1" >>confdefs.h
 
