Update licensecheck.pl to version 2.11.7

third_party/devscripts/licensecheck.pl.vanilla

Index: third_party/devscripts/licensecheck.pl.vanilla
===================================================================
--- third_party/devscripts/licensecheck.pl.vanilla	(revision 136854)
+++ third_party/devscripts/licensecheck.pl.vanilla	(working copy)
@@ -392,9 +392,9 @@
 	$licensetext =~ /GNU (?:Affero )?General Public License as published by the Free Software Foundation; version ([^ ]+) /i) {
 
 	$gplver = " (v$1)";
-    } elsif ($licensetext =~ /GNU (Affero ?)General Public License, version ([^ ]+?)[ .]/) {
+    } elsif ($licensetext =~ /GNU (?:Affero ?)General Public License, version ([^ ]+?)[ .]/) {
 	$gplver = " (v$1)";
-    } elsif ($licensetext =~ /either version ([^ ]+) of the License, or \(at your option\) any later version/) {
+    } elsif ($licensetext =~ /either version ([^ ]+)(?: of the License)?, or \(at your option\) any later version/) {
 	$gplver = " (v$1 or later)";
     }