[PATCH] missing include in pcm_native.c

compile fix for alpha - io.h is needed there for io_remap_...()
Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

sound/core/pcm_native.c

@@ -33,6 +33,7 @@
 #include <sound/pcm_params.h>
 #include <sound/timer.h>
 #include <sound/minors.h>
+#include <asm/io.h>
 
 /*
  *  Compatibility