Fix Crash on text editor right click

Fixes Crashes N  and P
Missing nullcheck, my bad
Never expected there not to be a menu segment url when a menu is open

indra/llui/lltexteditor.cpp

@@ -375,7 +375,7 @@ LLTextEditor::~LLTextEditor()
 const std::string& LLTextEditor::getMenuSegmentUrl() const
 {
 	auto segment = getSegmentAtLocalPos(mLastContextMenuX, mLastContextMenuY);
-	auto style = segment->getStyle();
+	auto style = segment ? segment->getStyle() : nullptr;
 	return style ? style->getLinkHREF() : LLStringUtil::null;
 }
 

indra/newview/llhoverview.cpp

@@ -545,7 +545,7 @@ void LLHoverView::updateText()
 					}
 					mText.push_back(line);
 
-					auto& objects = LLSelectMgr::getInstance()->getHoverObjects();
+					auto objects = LLSelectMgr::getInstance()->getHoverObjects();
 
 					line.clear();
 					S32 prim_count = objects->getObjectCount();

indra/newview/llviewermenu.cpp

@@ -9403,7 +9403,7 @@ class ListIsNearby : public view_listener_t
 	bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
 	{
 		const auto&& id = LFIDBearer::getActiveSelectedID();
-		gMenuHolder->findControl(userdata["control"].asString())->setValue(LFIDBearer::getActiveType() == LFIDBearer::OBJECT ? gObjectList.findObject(id) : is_nearby(id));
+		gMenuHolder->findControl(userdata["control"].asString())->setValue(LFIDBearer::getActiveType() == LFIDBearer::OBJECT ? !!gObjectList.findObject(id) : is_nearby(id));
 		return true;
 	}
 };