loplugin:useuniqueptr in basctl::CheckBox

Change-Id: Iec9a0f39b3853108bdb5218e7480a09b261198ec
Reviewed-on: https://gerrit.libreoffice.org/54846
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

basctl/source/basicide/moduldl2.cxx

@@ -166,8 +166,7 @@ CheckBox::~CheckBox()
 
 void CheckBox::dispose()
 {
-    delete pCheckButton;
+    pCheckButton.reset();
-    pCheckButton = nullptr;
 
     // delete user data
     SvTreeListEntry* pEntry = First();
@@ -182,10 +181,10 @@ void CheckBox::dispose()
 
 void CheckBox::Init()
 {
-    pCheckButton = new SvLBoxButtonData(this);
+    pCheckButton.reset(new SvLBoxButtonData(this));
 
     if (eMode == ObjectMode::Library)
-        EnableCheckButton( pCheckButton );
+        EnableCheckButton( pCheckButton.get() );
     else
         EnableCheckButton( nullptr );
 
@@ -197,7 +196,7 @@ void CheckBox::SetMode (ObjectMode e)
     eMode = e;
 
     if (eMode == ObjectMode::Library)
-        EnableCheckButton( pCheckButton );
+        EnableCheckButton( pCheckButton.get() );
     else
         EnableCheckButton( nullptr );
 }

basctl/source/basicide/moduldlg.hxx

@@ -111,7 +111,7 @@ class CheckBox : public SvTabListBox
 {
 private:
     ObjectMode          eMode;
-    SvLBoxButtonData*   pCheckButton;
+    std::unique_ptr<SvLBoxButtonData> pCheckButton;
     ScriptDocument      m_aDocument;
     void                Init();