Corrected spin control, which ignored hand typed text.

Corrceted GetBestSize() etc of static text (displayed
    in tip dialog and elsewhere).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5194 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/spinctrl.cpp

@@ -149,6 +149,8 @@ int wxSpinCtrl::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
+    gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) );
+
     return (int)ceil(m_adjust->value);
 }