[PATCH] uml: Remove some build warnings

These ugly double-casts are the result of gdb complaining about size

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index b04897c..182905b 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -142,7 +142,7 @@
                                "errno = %d\n", errno);
                 }
                 else {
-			aio = (struct aio_context *) event.data;
+			aio = (struct aio_context *) (long) event.data;
 			if(update_aio(aio, event.res)){
 				do_aio(ctx, aio);
 				continue;