fix for older syatems

git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1711 d3c6d0af-6456-5cbd-3218-6188ca4e956b
minor fix

git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1712 d3c6d0af-6456-5cbd-3218-6188ca4e956b
minor fix



git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1713 d3c6d0af-6456-5cbd-3218-6188ca4e956b
compilation warning fixed

git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1714 d3c6d0af-6456-5cbd-3218-6188ca4e956b
changelog updated



git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1715 d3c6d0af-6456-5cbd-3218-6188ca4e956b
code cleaning



git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1716 d3c6d0af-6456-5cbd-3218-6188ca4e956b
dtls mobile fixed



git-svn-id: http://rfc5766-turn-server.googlecode.com/svn/branches/v3.2@1717 d3c6d0af-6456-5cbd-3218-6188ca4e956b