Fix bug #51755  (no sound played when incomming message window is popped up)
Fix bug #51755  (no sound played when incomming message window is popped up)

I will port also in 0.5 branch

svn path=/trunk/kdenetwork/kopete/; revision=194702

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