1 files changed, 6 insertions, 5 deletions
diff --git a/Swiften/Elements/JingleIBBTransportPayload.h b/Swiften/Elements/JingleIBBTransportPayload.h
index 8c174f0..a329ff0 100644
--- a/Swiften/Elements/JingleIBBTransportPayload.h
+++ b/Swiften/Elements/JingleIBBTransportPayload.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Remko Tronçon
+ * Copyright (c) 2011-2013 Remko Tronçon
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <boost/shared_ptr.hpp>
+#include <boost/optional.hpp>
 #include <string>
 
 #include <Swiften/Elements/JingleTransportPayload.h>
@@ -18,7 +19,7 @@ namespace Swift {
 
 			enum StanzaType {
 				IQStanza,
-				MessageStanza,
+				MessageStanza
 			};
 
 			void setStanzaType(StanzaType stanzaType) {
@@ -29,16 +30,16 @@ namespace Swift {
 				return stanzaType;
 			}
 
-			int getBlockSize() const {
+			boost::optional<unsigned int> getBlockSize() const {
 				return blockSize;
 			}
 
-			void setBlockSize(int blockSize) {
+			void setBlockSize(unsigned int blockSize) {
 				this->blockSize = blockSize;
 			}
 
 		private:
-			int blockSize;
+			boost::optional<unsigned int> blockSize;
 			StanzaType stanzaType;
 	};
 }