fix 267483 regression in clearing of new flag when mail is filtered into pop3 folder, sr=mscott

mailnews/base/resources/content/commandglue.js

@@ -316,9 +316,7 @@ function RerootFolder(uri, newFolder, viewType, viewFlags, sortType, sortOrder)
   //Clear the new messages of the old folder
   var oldFolder = gPrevSelectedFolder;
   if (oldFolder) {
-    if (oldFolder.hasNewMessages) {
       oldFolder.clearNewMessages();
-    }
     oldFolder.hasNewMessages = false;
   }
 

mailnews/base/resources/content/mailCommands.js

@@ -66,7 +66,6 @@ function GetNewMessages(selectedFolders, server, compositeDataSource)
 			var nsIMsgFolder = Components.interfaces.nsIMsgFolder;
 			msgFolder.biffState = nsIMsgFolder.nsMsgBiffState_NoMail;
 
-			if (msgFolder.hasNewMessages)
   		msgFolder.clearNewMessages();
 		}
 		

mailnews/base/resources/content/mailWindowOverlay.js

@@ -1924,8 +1924,6 @@ function CoalesceGetMsgsForPop3ServersByDestFolder(currentServer, pop3DownloadSe
     if(inboxFolder) 
     {
       inboxFolder.biffState =  Components.interfaces.nsIMsgFolder.nsMsgBiffState_NoMail;
-
-      if (inboxFolder.hasNewMessages)
       inboxFolder.clearNewMessages();
     }
     localFoldersToDownloadTo.AppendElement(inboxFolder);