Add missing license headers
Change-Id: I7f807a2f140068181524d8e868d029b4d94c70e8
diff --git a/twcommon.h b/twcommon.h
index be24323..0895428 100644
--- a/twcommon.h
+++ b/twcommon.h
@@ -1,3 +1,21 @@
+/*
+ Copyright 2017 TeamWin
+ This file is part of TWRP/TeamWin Recovery Project.
+
+ TWRP is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ TWRP 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with TWRP. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#ifndef TWCOMMON_HPP
#define TWCOMMON_HPP