shdocvw: Initialize OLEINPLACEFRAMEINFO.cb for IOleInPlaceSite::GetWindowContext.

dlls/shdocvw/client.c

@@ -230,7 +230,6 @@ static HRESULT WINAPI InPlaceSite_GetWindowContext(IOleInPlaceSite *iface,
     GetClientRect(This->hwnd, lprcPosRect);
     *lprcClipRect = *lprcPosRect;
 
-    lpFrameInfo->cb = sizeof(*lpFrameInfo);
     lpFrameInfo->fMDIApp = FALSE;
     lpFrameInfo->hwndFrame = This->frame_hwnd;
     lpFrameInfo->haccel = NULL;

dlls/shdocvw/oleobject.c

@@ -141,6 +141,7 @@ static HRESULT activate_inplace(WebBrowser *This, IOleClientSite *active_site)
 
     IOleInPlaceSite_OnInPlaceActivate(This->inplace);
 
+    This->frameinfo.cb = sizeof(OLEINPLACEFRAMEINFO);
     IOleInPlaceSite_GetWindowContext(This->inplace, &This->doc_host.frame, &This->uiwindow,
                                      &This->pos_rect, &This->clip_rect,
                                      &This->frameinfo);

dlls/shdocvw/tests/webbrowser.c

@@ -1275,7 +1275,7 @@ static HRESULT WINAPI InPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
 
     ok(lpFrameInfo != NULL, "lpFrameInfo = NULL\n");
     if(lpFrameInfo) {
-        lpFrameInfo->cb = sizeof(*lpFrameInfo);
+        ok(lpFrameInfo->cb == sizeof(*lpFrameInfo), "lpFrameInfo->cb = %u, expected %u\n", lpFrameInfo->cb, (unsigned)sizeof(*lpFrameInfo));
         lpFrameInfo->fMDIApp = FALSE;
         lpFrameInfo->hwndFrame = container_hwnd;
         lpFrameInfo->haccel = NULL;