Fix for ClassCastException with bad username.
Fix for ClassCastException with bad username.


git-svn-id: 0d4d1bf2e47502aa0f0957c230a0ec7fa56198fd@1858 b35dd754-fafc-0310-a699-88a17e54d16e

vito-c/Smack,deeringc/Smack,chuangWu/Smack,kkroid/OnechatSmack,ishan1604/Smack,annovanvliet/Smack,qingsong-xu/Smack,esl/Smack,xuIcream/Smack,opg7371/Smack,unisontech/Smack,unisontech/Smack,lovely3x/Smack,vito-c/Smack,hy9902/Smack,annovanvliet/Smack,esl/Smack,ayne/Smack,u20024804/Smack,dpr-odoo/Smack,deeringc/Smack,u20024804/Smack,Tibo-lg/Smack,Tibo-lg/Smack,magnetsystems/message-smack,Flowdalic/Smack,TTalkIM/Smack,dpr-odoo/Smack,andrey42/Smack,xuIcream/Smack,lovely3x/Smack,cjpx00008/Smack,cjpx00008/Smack,chuangWu/Smack,cjpx00008/Smack,magnetsystems/message-smack,ishan1604/Smack,mar-v-in/Smack,ayne/Smack,esl/Smack,hy9902/Smack,kkroid/OnechatSmack,hy9902/Smack,igorexax3mal/Smack,vanitasvitae/smack-omemo,igniterealtime/Smack,opg7371/Smack,igniterealtime/Smack,annovanvliet/Smack,chuangWu/Smack,qingsong-xu/Smack,Tibo-lg/Smack,mar-v-in/Smack,andrey42/Smack,vanitasvitae/smack-omemo,igorexax3mal/Smack,vanitasvitae/Smack,ayne/Smack,igorexax3mal/Smack,vanitasvitae/Smack,kkroid/OnechatSmack,deeringc/Smack,dpr-odoo/Smack,qingsong-xu/Smack,Flowdalic/Smack,igniterealtime/Smack,ishan1604/Smack,magnetsystems/message-smack,u20024804/Smack,vanitasvitae/smack-omemo,TTalkIM/Smack,andrey42/Smack,mar-v-in/Smack,unisontech/Smack,Flowdalic/Smack,vanitasvitae/Smack,TTalkIM/Smack,lovely3x/Smack,opg7371/Smack,xuIcream/Smack