--- a/windows.mk	Wed Feb 27 16:59:02 2013 +0100
+++ b/windows.mk	Thu Feb 28 08:15:15 2013 +0100
@@ -31,7 +31,7 @@
 AR = lib
 RM = rm
 
-CFLAGS  = -c -TP
+CFLAGS  = -c -TP -I../msc
 COFLAGS = -Fo
 LDFLAGS = 
 LOFLAGS = -OUT: