lguest: fix typo

Signed-off-by: Alex Russell <giles.alex@hotmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index b5fdcb7..a5ebc00 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -225,7 +225,7 @@
 			 * eventfd (ie. the appropriate virtqueue thread)?
 			 */
 			if (!send_notify_to_eventfd(cpu)) {
-				/* OK, we tell the main Laucher. */
+				/* OK, we tell the main Launcher. */
 				if (put_user(cpu->pending_notify, user))
 					return -EFAULT;
 				return sizeof(cpu->pending_notify);