Inode was leaking its small data lock.

* This should not have harmed normal operation (as an Inode is only destroyed
  when it is no longer being used), but the fs_shell could run out of
  semaphores easily.

src/add-ons/kernel/file_systems/bfs/Inode.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2001-2010, Axel Dörfler, [email protected].
+ * Copyright 2001-2012, Axel Dörfler, [email protected].
  * This file may be used under the terms of the MIT License.
  */
 
@@ -400,6 +400,7 @@ Inode::~Inode()
 	delete fTree;
 
 	rw_lock_destroy(&fLock);
+	recursive_lock_destroy(&fSmallDataLock);
 }