locking/static_keys: Fix a silly typo

Commit:

  412758cb ("jump label, locking/static_keys: Update docs")

introduced a typo that might as well get fixed.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150907131803.54c027e1@lwn.netSigned-off-by: Ingo Molnar <mingo@kernel.org>

Documentation/static-keys.txt

@@ -16,7 +16,7 @@ The updated API replacements are:
 DEFINE_STATIC_KEY_TRUE(key);
 DEFINE_STATIC_KEY_FALSE(key);
 static_key_likely()
-statick_key_unlikely()
+static_key_unlikely()
 
 0) Abstract
 

include/linux/jump_label.h

@@ -22,7 +22,7 @@
  * DEFINE_STATIC_KEY_TRUE(key);
  * DEFINE_STATIC_KEY_FALSE(key);
  * static_key_likely()
- * statick_key_unlikely()
+ * static_key_unlikely()
  *
  * Jump labels provide an interface to generate dynamic branches using
  * self-modifying code. Assuming toolchain and architecture support, if we