Fix wave-file output on big-endian machines.

From NetBSD, pointed to by brad@.

audio/libao/patches/patch-src_ao_wav_c

@@ -0,0 +1,12 @@
+$OpenBSD: patch-src_ao_wav_c,v 1.1 2001/03/16 20:39:13 naddy Exp $
+--- src/ao_wav.c.orig	Fri Mar 16 20:57:28 2001
++++ src/ao_wav.c	Fri Mar 16 20:58:30 2001
+@@ -221,7 +221,7 @@ static void ao_wav_play(ao_internal_t *s
+ 
+ 		/* Swap the bytes into the swap buffer (so we don't
+ 		 mess up the output_samples buffer) */
+-		for(i = 0; i < num_bytes/2; i+=2) {
++		for(i = 0; i < num_bytes; i+=2) {
+ 			s->swap_buffer[i]   = ((char *) output_samples)[i+1];
+ 			s->swap_buffer[i+1] = ((char *) output_samples)[i];
+ 		}