maintenance: glew update to v 2.1.0, glfw update to v3.3

ref/glfw/docs/html/dynsections.js

@@ -1,3 +1,26 @@
+/*
+ @licstart  The following is the entire license notice for the
+ JavaScript code in this file.
+
+ Copyright (C) 1997-2017 by Dimitri van Heesch
+
+ 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.
+
+ This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ @licend  The above is the entire license notice
+ for the JavaScript code in this file
+ */
 function toggleVisibility(linkObj)
 {
  var base = $(linkObj).attr('id');
@@ -15,7 +38,7 @@ function toggleVisibility(linkObj)
    summary.hide();
    $(linkObj).removeClass('closed').addClass('opened');
    $(trigger).attr('src',src.substring(0,src.length-10)+'open.png');
- } 
+ }
  return false;
 }
 
@@ -94,4 +117,4 @@ function toggleInherit(id)
     $(img).attr('src',src.substring(0,src.length-10)+'open.png');
   }
 }
-
+/* @license-end */