no update canvas in QT (Alt + cursor)

Original Reporter info from Mantis: cpalx @xortix

• Reporter name: Christian Ortiz

Description:

I use lazarus 1.0.4, solved the problem to update canvas when move the objects with the mouse, but not when you move the objects using
Alt + →
Alt + ↓
Alt + ↑
Alt + ←

Mantis conversion info:

• Mantis ID: 23435
• Fixed in version: 1.1 (SVN)
• Fixed in revision: 39477 (#fe1d227c)
• Target version: 1.2.0
• LazTarget: 1.2