Index: libs/libmythdvdnav/bswap.h
===================================================================
--- libs/libmythdvdnav/bswap.h	(revision 18962)
+++ libs/libmythdvdnav/bswap.h	(working copy)
@@ -71,7 +71,7 @@
  * functionality! 
  */
 
-#elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(WIN32) || defined(__CYGWIN__)
+#elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(_WIN32) || defined(__CYGWIN__)
 #define B2N_16(x) \
  x = ((((x) & 0xff00) >> 8) | \
       (((x) & 0x00ff) << 8))
