STORM-507 FIXED User that has sent p2p call invitation to other user, is not added to Recent tab

- Add the caller to the Recent List just after Incoming Call floater appears. Before recicpient accepted or rejected the call.

indra/newview/llimview.cpp

@@ -2719,6 +2719,15 @@ void LLIMMgr::inviteToSession(
 		{
 			LLFloaterReg::showInstance("incoming_call", payload, FALSE);
 		}
+		
+		// Add the caller to the Recent List here (at this point 
+		// "incoming_call" floater is shown and the recipient can
+		// reject the call), because even if a recipient will reject
+		// the call, the caller should be added to the recent list
+		// anyway. STORM-507.
+		if(type == IM_SESSION_P2P_INVITE)
+			LLRecentPeople::instance().add(caller_id);
+		
 		mPendingInvitations[session_id.asString()] = LLSD();
 	}
 }