[ 1793012 ] wxSpinCtrl::SetValue() doesn't update internal counter

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/spinctrl.cpp

@@ -181,6 +181,7 @@ void wxSpinCtrl::SetValue( int value )
 
     GtkDisableEvents();
     gtk_spin_button_set_value((GtkSpinButton*)m_widget, value);
+    m_pos = value;
     GtkEnableEvents();
 }