Use GPL as the opensource license.

jimbozhang · jimbozhang · commit 1c1256e082bb · 2017-04-14T22:31:18.000+08:00
diff --git a/LICENSE b/LICENSE
@@ -3,8 +3,7 @@ However, this program is NOT UNDER THE SAME LICENSE of Kaldi's.
 
 This program 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 2
-of the License, or (at your option) any later version.
+version 2 as published by the Free Software Foundation;
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/gop/gmm-gop.cc b/src/gop/gmm-gop.cc
@@ -7,8 +7,7 @@
 //
 // This program 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 2
-// of the License, or (at your option) any later version.
+// version 2 as published by the Free Software Foundation;
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/gop/gmm-gop.h b/src/gop/gmm-gop.h
@@ -7,8 +7,7 @@
 //
 // This program 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 2
-// of the License, or (at your option) any later version.
+// version 2 as published by the Free Software Foundation;
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/gopbin/compute-gmm-gop.cc b/src/gopbin/compute-gmm-gop.cc
@@ -7,8 +7,7 @@
 //
 // This program 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 2
-// of the License, or (at your option) any later version.
+// version 2 as published by the Free Software Foundation;
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
