winex11.drv: avoid shadowing a parameter

[Austin English]

-- 
-Austin
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diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
index 6e4225c..e9df531 100644
--- a/dlls/winex11.drv/event.c
+++ b/dlls/winex11.drv/event.c
@@ -676,11 +676,11 @@ static void X11DRV_FocusIn( HWND hwnd, XEvent *xev )
 
     if (!can_activate_window(hwnd))
     {
-        HWND hwnd = GetFocus();
-        if (hwnd) hwnd = GetAncestor( hwnd, GA_ROOT );
-        if (!hwnd) hwnd = GetActiveWindow();
-        if (!hwnd) hwnd = x11drv_thread_data()->last_focus;
-        if (hwnd && can_activate_window(hwnd)) set_focus( event->display, hwnd, CurrentTime );
+        HWND hwnd_tmp = GetFocus();
+        if (hwnd_tmp) hwnd_tmp = GetAncestor( hwnd_tmp, GA_ROOT );
+        if (!hwnd_tmp) hwnd_tmp = GetActiveWindow();
+        if (!hwnd_tmp) hwnd_tmp = x11drv_thread_data()->last_focus;
+        if (hwnd_tmp && can_activate_window(hwnd_tmp)) set_focus( event->display, hwnd_tmp, CurrentTime );
     }
     else SetForegroundWindow( hwnd );
 }