[gnome-calculator/60-split-out-a-backend-library] Re-licensing to LGPL on parser and lexer

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit e20321b5b1694323a3e34e358d47f0bf0d8ecb14
Author: Daniel Espinosa Ortiz <esodan gmail com>
Date:   Wed Jan 2 10:14:47 2019 -0600

    Re-licensing to LGPL on parser and lexer
    
    Arth Patel <arth svnit gmail com> has granted re-licensing its code,
    so we have all required permissions on lexer and parser.

 gcalc/gcalc-equation-lexer.vala  | 21 ++++++++++++++-------
 gcalc/gcalc-equation-parser.vala | 21 ++++++++++++++-------
 2 files changed, 28 insertions(+), 14 deletions(-)
---
diff --git a/gcalc/gcalc-equation-lexer.vala b/gcalc/gcalc-equation-lexer.vala
index 3b7eef20..ec8cd5db 100644
--- a/gcalc/gcalc-equation-lexer.vala
+++ b/gcalc/gcalc-equation-lexer.vala
@@ -1,13 +1,20 @@
 /*
- * Copyright (C) 2012 Arth Patel
- * Copyright (C) 2012 Robert Ancell
+ * Copyright (C) 2012 Arth Patel <arth svnit gmail com>
+ * Copyright (C) 2012 Robert Ancell <robert ancell gmail com>
  * Copyright (C) 2018 Daniel Espinosa <esodan gmail com>
  *
- * 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 3 of the License, or (at your option) any later
- * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
- * license.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
 namespace GCalc {
diff --git a/gcalc/gcalc-equation-parser.vala b/gcalc/gcalc-equation-parser.vala
index 93c8c2d8..d43f1eeb 100644
--- a/gcalc/gcalc-equation-parser.vala
+++ b/gcalc/gcalc-equation-parser.vala
@@ -1,13 +1,20 @@
 /*
- * Copyright (C) 2012 Arth Patel
- * Copyright (C) 2012 Robert Ancell
+ * Copyright (C) 2012 Arth Patel <arth svnit gmail com>
+ * Copyright (C) 2012 Robert Ancell <robert ancell gmail com>
  * Copyright (C) 2018 Daniel Espinosa <esodan gmail com>
  *
- * 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 3 of the License, or (at your option) any later
- * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
- * license.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
 namespace GCalc {