THRIFT-4831 interface ITProtocolFactory should be class TProtocolFactory again
Client: netstd
Patch: Jens Geyer

This closes #1767
diff --git a/lib/netstd/Thrift/Protocol/TCompactProtocol.cs b/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
index 9ff640a..e6c5dbd 100644
--- a/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
+++ b/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
@@ -1,4 +1,4 @@
-// Licensed to the Apache Software Foundation(ASF) under one
+// Licensed to the Apache Software Foundation(ASF) under one
 // or more contributor license agreements.See the NOTICE file
 // distributed with this work for additional information
 // regarding copyright ownership.The ASF licenses this file
@@ -891,9 +891,9 @@
             buf[off + 7] = (byte) ((n >> 56) & 0xff);
         }
 
-        public class Factory : ITProtocolFactory
+        public class Factory : TProtocolFactory
         {
-            public TProtocol GetProtocol(TTransport trans)
+            public override TProtocol GetProtocol(TTransport trans)
             {
                 return new TCompactProtocol(trans);
             }
@@ -919,4 +919,4 @@
             public const byte Struct = 0x0C;
         }
     }
-}
\ No newline at end of file
+}