No longer include llerrorlegacy.h. Updated llstl to include deletion utilites.

indra/newview/llmainlooprepeater.cpp

@@ -81,7 +81,7 @@ bool LLMainLoopRepeater::onMessage(LLSD const & event)
 	try {
 		mQueue->pushFront(event);
 	} catch(LLThreadSafeQueueError & e) {
-		llwarns << "could not repeat message (" << e.what() << ")" << 
+		LL_WARNS() << "could not repeat message (" << e.what() << ")" << 
 			event.asString() << LL_ENDL;
 	}
 	return false;