Update support kit documentation to the latest changes on trunk

SetSubDirSupportedPlatformsBeOSCompatible ;

docs/user/support/Locker.dox

@@ -1,13 +1,13 @@
 /*
- * Copyright 2007 Haiku, Inc. All rights reserved.
+ * Copyright 2007-2013 Haiku, Inc. All rights reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
  *		Niels Sascha Reedijk, [email protected]
  *
  * Corresponds to:
- *		headers/os/support/Locker.h rev 19972
- *		src/kits/support/Locker.cpp rev 13826
+ *		headers/os/support/Locker.h rev 36218
+ *		src/kits/support/Locker.cpp rev 32758
  */
 
 /*!
@@ -153,6 +153,16 @@ Flower::Water(int amount)
 */
 
 
+/*!
+	\fn status_t BLocker::InitCheck()
+	\brief Check whether the locker has properly initialized
+	
+	\retval B_OK The semaphore has been properly initialized
+	\retval (negative) Any other error value that is related to semaphore
+		initialization
+*/
+
+
 /*!
 	\fn bool BLocker::Lock()
 	\brief Add a lock request and block on it until we get it.