Index: trunk/src/io/c_file_system.cc
===================================================================
--- trunk/src/io/c_file_system.cc	(revision 508)
+++ trunk/src/io/c_file_system.cc	(revision 533)
@@ -48,5 +48,5 @@
 	stream* fstream = open( path, "rb" );
 	if ( !fstream ) return const_string();
-	uint32 size = fstream->size();
+	uint32 size = static_cast< uint32 >( fstream->size() );
 	const_string result( nullptr, size );
 	fstream->read( const_cast<char*>( result.data() ), size, 1 );