[PATCH] *-iosched.c: Use proper documentation path

This patch by Josef "Jeff" Sipek <jeffpc@optonline.net> fixes two
documentationn paths.
Signed-off-by: Josef "Jeff" Sipek <jeffpc@optonline.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/block/as-iosched.c

@@ -25,7 +25,7 @@
 #define REQ_ASYNC	0
 
 /*
- * See Documentation/as-iosched.txt
+ * See Documentation/block/as-iosched.txt
  */
 
 /*

drivers/block/deadline-iosched.c

@@ -19,7 +19,7 @@
 #include <linux/rbtree.h>
 
 /*
- * See Documentation/deadline-iosched.txt
+ * See Documentation/block/deadline-iosched.txt
  */
 static int read_expire = HZ / 2;  /* max time before a read is submitted. */
 static int write_expire = 5 * HZ; /* ditto for writes, these limits are SOFT! */