Update Syntax Tools license headers

This makes it clear that Apache 2.0 applies, without dropping the old LGPL
licensing, and makes all the Syntax Tools file headers look the same as
upstream.

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/syntax_tools/src/merl_tests.erl b/lib/syntax_tools/src/merl_tests.erl
index 27db594050..61efc6935e 100644
--- a/lib/syntax_tools/src/merl_tests.erl
+++ b/lib/syntax_tools/src/merl_tests.erl
@@ -9,6 +9,16 @@
 %% See the License for the specific language governing permissions and
 %% limitations under the License.
 %%
+%% Alternatively, you may use this file under the terms of the GNU Lesser
+%% General Public License (the "LGPL") as published by the Free Software
+%% Foundation; either version 2.1, or (at your option) any later version.
+%% If you wish to allow use of your version of this file only under the
+%% terms of the LGPL, you should delete the provisions above and replace
+%% them with the notice and other provisions required by the LGPL; see
+%% <http://www.gnu.org/licenses/>. If you do not delete the provisions
+%% above, a recipient may use your version of this file under the terms of
+%% either the Apache License or the LGPL.
+%%
 %% @author Richard Carlsson <[email protected]>
 %% @copyright 2012-2015 Richard Carlsson
 %% @doc Unit tests for merl.