OS X: use correct configure action for appmenu->"Preferences"
OS X: use correct configure action for appmenu->"Preferences"

svn path=/trunk/KDE/kdenetwork/kopete/; revision=818108

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