Item12567: fix checking of version number in configure

git-svn-id: http://svn.foswiki.org/trunk/JQueryPlugin@16861 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12567: fix checking of version number in configure

git-svn-id: http://svn.foswiki.org/trunk/JQueryPlugin@16862 0b4bb1d4-4e5a-0410-9cc4-b2b747904278