fix events.pl

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12176 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/esl/perl/events.pl

 require ESL;
 
-my $con = new ESL::eslConnection("localhost", "8021", "ClueCon");
+my $con = new ESL::ESLconnection("localhost", "8021", "ClueCon");
 
 $con->events("plain", "all");