Resolves: tdf#124440 nospin has no subedit

Change-Id: I4e801ec234e86be935a79c9e29f0e5091904f12e
Reviewed-on: https://gerrit.libreoffice.org/70052
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/app/salvtables.cxx

@@ -3342,7 +3342,10 @@ public:
         m_xButton->SetLoseFocusHdl(LINK(this, SalInstanceSpinButton, LoseFocusHdl));
         m_xButton->SetOutputHdl(LINK(this, SalInstanceSpinButton, OutputHdl));
         m_xButton->SetInputHdl(LINK(this, SalInstanceSpinButton, InputHdl));
-        m_xButton->GetSubEdit()->SetActivateHdl(LINK(this, SalInstanceSpinButton, ActivateHdl));
+        if (Edit* pEdit = m_xButton->GetSubEdit())
+            pEdit->SetActivateHdl(LINK(this, SalInstanceSpinButton, ActivateHdl));
+        else
+            m_xButton->SetActivateHdl(LINK(this, SalInstanceSpinButton, ActivateHdl));
     }
 
     virtual int get_value() const override
@@ -3404,6 +3407,8 @@ public:
     {
         if (Edit* pEdit = m_xButton->GetSubEdit())
             pEdit->SetActivateHdl(Link<Edit&, bool>());
+        else
+            m_xButton->SetActivateHdl(Link<Edit&, bool>());
         m_xButton->SetInputHdl(Link<sal_Int64*, TriState>());
         m_xButton->SetOutputHdl(Link<Edit&, bool>());
         m_xButton->SetLoseFocusHdl(Link<Control&, void>());