Revert "Removed Pin{Shape,Type}ComboBox::SetSelection()."

Enforcing the appropriate type is a good thing, though it results in
build warnings. For the moment we stay with the latter.

This reverts commit 6dd47119fe.

eeschema/widgets/pin_shape_combobox.cpp

@@ -61,3 +61,9 @@ GRAPHIC_PINSHAPE PinShapeComboBox::GetPinShapeSelection()
 {
     return static_cast<GRAPHIC_PINSHAPE>( GetSelection() );
 }
+
+
+void PinShapeComboBox::SetSelection( GRAPHIC_PINSHAPE aShape )
+{
+    wxBitmapComboBox::SetSelection( aShape );
+}

eeschema/widgets/pin_shape_combobox.h

@@ -47,4 +47,5 @@ public:
             const wxString& name = wxBitmapComboBoxNameStr );
 
     GRAPHIC_PINSHAPE GetPinShapeSelection();
+    void             SetSelection( GRAPHIC_PINSHAPE aShape );
 };

eeschema/widgets/pin_type_combobox.cpp

@@ -61,3 +61,9 @@ ELECTRICAL_PINTYPE PinTypeComboBox::GetPinTypeSelection()
 {
     return static_cast<ELECTRICAL_PINTYPE>( GetSelection() );
 }
+
+
+void PinTypeComboBox::SetSelection( ELECTRICAL_PINTYPE aType )
+{
+    wxBitmapComboBox::SetSelection( aType );
+}

eeschema/widgets/pin_type_combobox.h

@@ -47,4 +47,5 @@ public:
             const wxString& name = wxBitmapComboBoxNameStr );
 
     ELECTRICAL_PINTYPE  GetPinTypeSelection();
+    void                SetSelection( ELECTRICAL_PINTYPE aType );
 };