COPYING: LGPL2.1 -> LGPL-2.1

Signed-off-by: Sage Weil <[email protected]>

COPYING

@@ -5,7 +5,7 @@ Source: http://ceph.com/
 
 Files: *
 Copyright: (c) 2004-2010 by Sage Weil <[email protected]>
-License: LGPL2.1 (see COPYING-LGPL2.1)
+License: LGPL-2.1 (see COPYING-LGPL2.1)
 
 Files: cmake/modules/FindLTTngUST.cmake
 Copyright:
@@ -22,7 +22,7 @@ License: GPL3
 
 Files: src/mount/canonicalize.c
 Copyright: Copyright (C) 1993 Rick Sladkey <[email protected]>
-License: LGPL2 or later
+License: LGPL-2 or later
 
 Files: src/os/btrfs_ioctl.h
 Copyright: Copyright (C) 2007 Oracle.  All rights reserved.
@@ -103,7 +103,7 @@ License:
 
 Files: src/test/common/Throttle.cc src/test/filestore/chain_xattr.cc
 Copyright: Copyright (C) 2013 Cloudwatt <[email protected]>
-License: LGPL2.1 or later
+License: LGPL-2.1 or later
 
 Files: src/osd/ErasureCodePluginJerasure/*.{c,h}
 Copyright: Copyright (c) 2011, James S. Plank <[email protected]>