Fix wrong return value of wxGTK wxSpinCtrlDouble::GetIncrement().

Due to confusion in gtk_spin_button_get_increments() parameters order the page
size was returned instead of the increment.

See #12342.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65671 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/gtk/spinctrl.cpp b/src/gtk/spinctrl.cpp
index 6ba4071d2833e7138ea2d65eba3dc7d927ca66d3..2d48ca16dce936ec8f79b22e229c8079881172c2 100644 (file)
--- a/src/gtk/spinctrl.cpp
+++ b/src/gtk/spinctrl.cpp
@@ -185,7 +185,7 @@ double wxSpinCtrlGTKBase::DoGetIncrement() const
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
     double inc = 0;
-    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &inc);
+    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL);
     return inc;
 }