diff -urN gogoc-1_2-RELEASE/gogoc-messaging/src/clientmsgsender.cc gogoc-1_2-RELEASE-fix/gogoc-messaging/src/clientmsgsender.cc
--- gogoc-1_2-RELEASE/gogoc-messaging/src/clientmsgsender.cc	2009-11-20 17:34:55.000000000 +0100
+++ gogoc-1_2-RELEASE-fix/gogoc-messaging/src/clientmsgsender.cc	2012-02-25 15:06:20.764698284 +0100
@@ -15,6 +15,7 @@
 // **************************************************************************
 #include <gogocmessaging/clientmsgsender.h>
 #include <assert.h>
+#include <stddef.h>
 
 
 namespace gogocmessaging
diff -urN gogoc-1_2-RELEASE/gogoc-messaging/src/servermsgsender.cc gogoc-1_2-RELEASE-fix/gogoc-messaging/src/servermsgsender.cc
--- gogoc-1_2-RELEASE/gogoc-messaging/src/servermsgsender.cc	2009-11-20 17:34:56.000000000 +0100
+++ gogoc-1_2-RELEASE-fix/gogoc-messaging/src/servermsgsender.cc	2012-02-25 15:06:36.722740288 +0100
@@ -15,6 +15,7 @@
 // **************************************************************************
 #include <gogocmessaging/servermsgsender.h>
 #include <assert.h>
+#include <stddef.h>
 
 
 namespace gogocmessaging
