Fix bug 152910: quit only exits Kopete when there is no chat window open. Add missing negation.
Fix bug 152910: quit only exits Kopete when there is no chat window open.
Add missing negation.

BUG: 152910


svn path=/trunk/KDE/kdenetwork/kopete/; revision=744021

Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete