Index: ext/libicpf/src/libicpf/file.h
===================================================================
diff -u -N -r3150d0c0a9a5fe75a5954e17a5a445a14e0bea1f -r8995004f8741e2dfa77d64667be130d6a96460af
--- ext/libicpf/src/libicpf/file.h	(.../file.h)	(revision 3150d0c0a9a5fe75a5954e17a5a445a14e0bea1f)
+++ ext/libicpf/src/libicpf/file.h	(.../file.h)	(revision 8995004f8741e2dfa77d64667be130d6a96460af)
@@ -33,9 +33,6 @@
 	#include "windows.h"
 #endif
 
-/// A synonym for the file class
-#define serializer file;
-
 // file access modes
 /// Read access to the file
 #define FA_READ			0x0001
@@ -73,6 +70,9 @@
 
 BEGIN_ICPF_NAMESPACE
 
+// An alias class
+typedef file archive;
+
 /** \brief Structure describes the data inside a data block
  *
  *  Structure contain crc fields to make sure data block is consistent.