[dasher] Fix StylusFilter clicking

[Patrick Welche <pwelche src gnome org>]

commit ecd7451b20d06ac4ef7b41131cd7cde10d041065
Author: Alan Lawrence <acl33 inf phy cam ac uk>
Date:   Tue Mar 22 10:06:47 2011 +0000

    Fix StylusFilter clicking

 Src/DasherCore/StylusFilter.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Src/DasherCore/StylusFilter.cpp b/Src/DasherCore/StylusFilter.cpp
index fa30031..b401cb3 100644
--- a/Src/DasherCore/StylusFilter.cpp
+++ b/Src/DasherCore/StylusFilter.cpp
@@ -35,7 +35,7 @@ void CStylusFilter::KeyUp(int iTime, int iId, CDasherView *pView, CDasherInput *
     if (iTime - m_iKeyDownTime < GetLongParameter(LP_TAP_TIME)) {
       pInput->GetDasherCoords(m_iLastX, m_iLastY, pView);
       ApplyClickTransform(m_iLastX, m_iLastY, pView);
-      pModel->ScheduleZoom(iTime, m_iLastX, m_iLastY);
+      pModel->ScheduleZoom(iTime, m_iLastY-m_iLastX, m_iLastY+m_iLastX);
     } else {
       m_pInterface->Stop();
     }