--- ./src/Faces/CFace.h.orig	Mon Jul 21 18:33:51 2003
+++ ./src/Faces/CFace.h	Mon Jul 21 18:34:02 2003
@@ -17,6 +17,7 @@
 
 #include "Point3.h"
 
+using std::vector;
 
 /*
 *******************************************************************************