Personal email - for messages to 'sysop', actually check that the user is a...

Personal email - for messages to 'sysop', actually check that the user is a sysop before marking it as read

xtrn/DDMsgReader/DDMsgReader.js

@@ -4854,7 +4854,7 @@ function DigDistMsgReader_ReadMessageEnhanced(pOffset, pAllowChgArea)
 		return retObj;
 	
 	// Mark the message as read if it was written to the current user
-	var personalEmailToCurrentSysopUser = this.readingPersonalEmail && msgHeader.to.toUpperCase().indexOf("SYSOP") == 0;
+	var personalEmailToCurrentSysopUser = this.readingPersonalEmail && user.is_sysop && msgHeader.to.toUpperCase().indexOf("SYSOP") == 0;
 	if (((msgHeader.attr & MSG_READ) == 0) && (userHandleAliasNameMatch(msgHeader.to) || personalEmailToCurrentSysopUser))
 	{
 		// Using applyAttrsInMsgHdrInMessagbase(), which loads the header without