Fix clang / mac build warnings

common/dialogs/hotkey_cycle_popup.cpp

@@ -52,7 +52,8 @@ HOTKEY_CYCLE_POPUP::HOTKEY_CYCLE_POPUP( EDA_DRAW_FRAME* aParent ) :
     m_listBox->SetName( KIUI::s_FocusStealableInputName );
 
 #ifdef __WXOSX__
-    m_listBox->Bind( wxEVT_CHAR_HOOK, [=]( wxKeyEvent& aEvent )
+    m_listBox->Bind( wxEVT_CHAR_HOOK,
+                     [=, this]( wxKeyEvent& aEvent )
                      {
                          aEvent.SetEventType( wxEVT_CHAR );
                          m_drawFrame->GetCanvas()->SetFocus();

eeschema/sch_painter.cpp

@@ -878,7 +878,6 @@ public:
     TEXT_AND_ICON_LAYOUT( KIGFX::GAL& aGal, const TEXT_ATTRIBUTES& aAttrs,
                           const KIFONT::METRICS& aFontMetrics, const double aShadowWidth,
                           const double aIconSize = 0 ) :
-            m_gal( aGal ),
             m_attrs( aAttrs ),
             m_fontMetrics( aFontMetrics ),
             m_iconSize( aIconSize ),
@@ -966,7 +965,6 @@ public:
     }
 
 private:
-    KIGFX::GAL&            m_gal;
     const TEXT_ATTRIBUTES& m_attrs;
     const KIFONT::METRICS& m_fontMetrics;
     double                 m_iconSize;