[PATCH] compile fix for ia64 UP

Minor compile fix from Peter Chubb for ia64 UP boxes after my /dev/mem
patch was applied.
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Jes Sorensen <jes@wildopensource.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-ia64/uaccess.h

@@ -40,6 +40,7 @@
 
 #include <asm/intrinsics.h>
 #include <asm/pgtable.h>
+#include <asm/io.h>
 
 /*
  * For historical reasons, the following macros are grossly misnamed: