[ardour3] fix typo

[Nils Philippsen]

commit bcedb64c05a6b47eb733cf234fabcd65e5fe14b3
Author: Nils Philippsen <nils at redhat.com>
Date:   Thu May 15 16:24:08 2014 +0200

    fix typo

 LICENSING |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/LICENSING b/LICENSING
index 5e6830a..e110d8e 100644
--- a/LICENSING
+++ b/LICENSING
@@ -1,4 +1,4 @@
-Ardour is licensed under the GNU General Publice License, version 2 or later.
+Ardour is licensed under the GNU General Public License, version 2 or later.
 See the file COPYING for details.
 
 Ardour uses some 3rd party code distributed under different licenses which are