Fixed critical bug EXT - 4906 (Viewer crashes after group message was sent if...

Fixed critical bug EXT - 4906 (Viewer crashes after group message was sent if close IM chat from message sender previously)

--HG--
branch : product-engine

indra/newview/llimfloatercontainer.cpp

@@ -100,6 +100,7 @@ void LLIMFloaterContainer::addFloater(LLFloater* floaterp,
 		icon = LLUICtrlFactory::instance().createWidget<LLGroupIconCtrl>(icon_params);
 
 		mSessions[session_id] = floaterp;
+		floaterp->mCloseSignal.connect(boost::bind(&LLIMFloaterContainer::onCloseFloater, this, session_id));
 	}
 	else
 	{
@@ -110,10 +111,16 @@ void LLIMFloaterContainer::addFloater(LLFloater* floaterp,
 		icon = LLUICtrlFactory::instance().createWidget<LLAvatarIconCtrl>(icon_params);
 
 		mSessions[avatar_id] = floaterp;
+		floaterp->mCloseSignal.connect(boost::bind(&LLIMFloaterContainer::onCloseFloater, this, avatar_id));
 	}
 	mTabContainer->setTabImage(floaterp, icon);
 }
 
+void LLIMFloaterContainer::onCloseFloater(LLUUID& id)
+{
+	mSessions.erase(id);
+}
+
 void LLIMFloaterContainer::processProperties(void* data, enum EAvatarProcessorType type)
 {
 	if (APT_PROPERTIES == type)

indra/newview/llimfloatercontainer.h

@@ -51,6 +51,7 @@ class LLIMFloaterContainer : public LLMultiFloater, public LLAvatarPropertiesObs
 	
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void onOpen(const LLSD& key);
+	void onCloseFloater(LLUUID& id);
 
 	/*virtual*/ void addFloater(LLFloater* floaterp, 
 								BOOL select_added_floater,