DOCUMENTATION:  Use newer DEFINE_SPINLOCK macro in docs.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
diff --git a/Documentation/DocBook/kernel-locking.tmpl b/Documentation/DocBook/kernel-locking.tmpl
index 2e9d6b4..22ebd27 100644
--- a/Documentation/DocBook/kernel-locking.tmpl
+++ b/Documentation/DocBook/kernel-locking.tmpl
@@ -854,7 +854,7 @@
  };
 
 -static DEFINE_MUTEX(cache_lock);
-+static spinlock_t cache_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(cache_lock);
  static LIST_HEAD(cache);
  static unsigned int cache_num = 0;
  #define MAX_CACHE_SIZE 10
@@ -1238,7 +1238,7 @@
 -        int popularity;
  };
 
- static spinlock_t cache_lock = SPIN_LOCK_UNLOCKED;
+ static DEFINE_SPINLOCK(cache_lock);
 @@ -77,6 +84,7 @@
          obj-&gt;id = id;
          obj-&gt;popularity = 0;