Reimplemented Get/SetActiveWindow, Get/SetFocus and
Get/SetForegroundWindow by storing the information in the
server. Implemented correct inter-process window activation.

diff --git a/include/user.h b/include/user.h
index 13fbbd7..69f75cf 100644
--- a/include/user.h
+++ b/include/user.h
@@ -57,7 +57,8 @@
     WM_WINE_SHOWWINDOW,
     WM_WINE_SETPARENT,
     WM_WINE_SETWINDOWLONG,
-    WM_WINE_ENABLEWINDOW
+    WM_WINE_ENABLEWINDOW,
+    WM_WINE_SETACTIVEWINDOW
 };
 
 /* internal SendInput codes (FIXME) */