quartz: Implement IMediaPosition::put_CurrentPosition.
diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index 9728c37..42b6da8 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -2570,8 +2570,10 @@
 }
 
 static HRESULT WINAPI MediaPosition_put_CurrentPosition(IMediaPosition * iface, REFTIME llTime){
-    FIXME("(%p)->(%f) stub!\n", iface, llTime);
-    return E_NOTIMPL;
+    ICOM_THIS_MULTI(IFilterGraphImpl, IMediaPosition_vtbl, iface);
+    LONGLONG reftime = llTime;
+
+    return IMediaSeeking_SetPositions((IMediaSeeking *)&This->IMediaSeeking_vtbl, &reftime, AM_SEEKING_AbsolutePositioning, NULL, AM_SEEKING_NoPositioning);
 }
 
 static HRESULT WINAPI MediaPosition_get_CurrentPosition(IMediaPosition * iface, REFTIME *pllTime){