patching from fixes made in dessie/viewer-release

indra/newview/llpanellandmarks.cpp

@@ -522,6 +522,9 @@ void LLLandmarksPanel::setParcelID(const LLUUID& parcel_id)
 {
 	if (!parcel_id.isNull())
 	{
+        //ext-4655, defensive. remove now incase this gets called twice without a remove
+        LLRemoteParcelInfoProcessor::getInstance()->removeObserver(parcel_id, this);
+        
 		LLRemoteParcelInfoProcessor::getInstance()->addObserver(parcel_id, this);
 		LLRemoteParcelInfoProcessor::getInstance()->sendParcelInfoRequest(parcel_id);
 	}

indra/newview/llpanelpick.cpp

@@ -210,6 +210,9 @@ void LLPanelPickInfo::sendParcelInfoRequest()
 {
 	if (mParcelId != mRequestedId)
 	{
+        //ext-4655, remove now incase this gets called twice without a remove
+        LLRemoteParcelInfoProcessor::getInstance()->removeObserver(mRequestedId, this);
+        
 		LLRemoteParcelInfoProcessor::getInstance()->addObserver(mParcelId, this);
 		LLRemoteParcelInfoProcessor::getInstance()->sendParcelInfoRequest(mParcelId);
 

indra/newview/llpanelplace.cpp

@@ -202,6 +202,9 @@ void LLPanelPlace::sendParcelInfoRequest()
 {
 	if (mParcelID != mRequestedID)
 	{
+        //ext-4655, remove now incase this gets called twice without a remove
+        LLRemoteParcelInfoProcessor::getInstance()->removeObserver(mRequestedID, this);
+
 		LLRemoteParcelInfoProcessor::getInstance()->addObserver(mParcelID, this);
 		LLRemoteParcelInfoProcessor::getInstance()->sendParcelInfoRequest(mParcelID);
 

indra/newview/llpanelplaceinfo.cpp

@@ -133,6 +133,10 @@ void LLPanelPlaceInfo::sendParcelInfoRequest()
 {
 	if (mParcelID != mRequestedID)
 	{
+        //ext-4655, defensive. remove now incase this gets called twice without a remove
+        //as panel never closes its ok atm (but wrong :) 
+        LLRemoteParcelInfoProcessor::getInstance()->removeObserver(mRequestedID, this);
+
 		LLRemoteParcelInfoProcessor::getInstance()->addObserver(mParcelID, this);
 		LLRemoteParcelInfoProcessor::getInstance()->sendParcelInfoRequest(mParcelID);