--- a/graphicscomposition/openwfcompositionengine/composition/src/wfcapi.c	Thu Aug 05 12:17:46 2010 +0100
+++ b/graphicscomposition/openwfcompositionengine/composition/src/wfcapi.c	Thu Aug 05 12:20:08 2010 +0100
@@ -1001,7 +1001,7 @@
 /*=========================================================================*/
 
 WFC_API_CALL WFCNativeStreamType WFC_APIENTRY
-wfcGetOnScreenStream(WFCDevice dev, WFCContext ctx) WFC_APIEXIT
+extwfcGetOnScreenStream(WFCDevice dev, WFCContext ctx) WFC_APIEXIT
 {
 	WFC_DEVICE*             device;
 	WFC_CONTEXT*            context;