Add the comments for the MDAC codes back

Author: lcheunglci

src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlInfoMessageEvent.cs

@@ -21,25 +21,25 @@ public SqlErrorCollection Errors
         }
 
         private bool ShouldSerializeErrors()
-        {
+        { // MDAC 65548
             return (null != _exception) && (0 < _exception.Errors.Count);
         }
 
         /// <include file='../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlInfoMessageEventArgs.xml' path='docs/members[@name="SqlInfoMessageEventArgs"]/Message/*' />
         public string Message
-        {
+        { // MDAC 68482
             get { return _exception.Message; }
         }
 
         /// <include file='../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlInfoMessageEventArgs.xml' path='docs/members[@name="SqlInfoMessageEventArgs"]/Source/*' />
         public string Source
-        {
+        { // MDAC 68482
             get { return _exception.Source; }
         }
 
         /// <include file='../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlInfoMessageEventArgs.xml' path='docs/members[@name="SqlInfoMessageEventArgs"]/ToString/*' />
         override public string ToString()
-        {
+        { // MDAC 68482
             return Message;
         }
     }