Index: code/qcommon/ioapi.h
===================================================================
diff --git a/trunk/SP/code/qcommon/ioapi.h b/trunk/SP/code/qcommon/ioapi.h
--- a/trunk/SP/code/qcommon/ioapi.h	(revision 762)
+++ b/trunk/SP/code/qcommon/ioapi.h	(working copy)
@@ -31,6 +31,10 @@
 #endif
 #endif
 
+#ifndef OF
+#define OF(x) x
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif