Cleaned up some more USER dependencies.

diff --git a/include/sysmetrics.h b/include/sysmetrics.h
index fa15d81..ad922d4 100644
--- a/include/sysmetrics.h
+++ b/include/sysmetrics.h
@@ -10,4 +10,8 @@
 extern void SYSMETRICS_Init(void);  /* sysmetrics.c */
 extern void SYSCOLOR_Init(void);  /* syscolor.c */
 
+/* Wine extensions */
+#define SM_WINE_BPP (SM_CMETRICS+1)  /* screen bpp */
+#define SM_WINE_CMETRICS SM_WINE_BPP
+
 #endif  /* __WINE_SYSMETRICS_H */