[PATCH] uml: inclusion cleanup

The completion cleanup got rid of some semaphores, but didn't remove the
inclusion of asm/semaphore.h from xterm_kern.c.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/drivers/xterm_kern.c

@@ -7,7 +7,6 @@
 #include "linux/slab.h"
 #include "linux/signal.h"
 #include "linux/interrupt.h"
-#include "asm/semaphore.h"
 #include "asm/irq.h"
 #include "irq_user.h"
 #include "irq_kern.h"