Fix file headers

simgear/nasal/cppbind/Ghost.hxx

@@ -1,4 +1,20 @@
-///@file
+///@file Expose C++ objects to Nasal as ghosts
+//
+// Copyright (C) 2012  Thomas Geymayer <tomgey@gmail.com>
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
 
 #ifndef SG_NASAL_GHOST_HXX_
 #define SG_NASAL_GHOST_HXX_

simgear/nasal/cppbind/NasalHash.hxx

@@ -1,4 +1,4 @@
-// Wrapper class for Nasal hashes
+///@file Wrapper class for Nasal hashes
 //
 // Copyright (C) 2012  Thomas Geymayer <tomgey@gmail.com>
 //

simgear/nasal/cppbind/from_nasal.hxx

@@ -1,4 +1,4 @@
-// Conversion functions to convert Nasal types to C++ types
+///@file Conversion functions to convert Nasal types to C++ types
 //
 // Copyright (C) 2012  Thomas Geymayer <tomgey@gmail.com>
 //

simgear/nasal/cppbind/to_nasal.hxx

@@ -1,4 +1,4 @@
-// Conversion functions to convert C++ types to Nasal types
+///@file Conversion functions to convert C++ types to Nasal types
 //
 // Copyright (C) 2012  Thomas Geymayer <tomgey@gmail.com>
 //