oox: make these classes public

They were already declared in oox/inc/oox/*, but one header wasn't
delivered, the rest wasn't visible outside the library. Having them
public makes it possible to re-use them from writerfilter, e.g. in the
RTF gradient import code.

Change-Id: I13d8c860b2582489d216fd68295f230d5c98f31b

oox/Package_inc.mk

@@ -84,6 +84,7 @@ $(eval $(call gb_Package_add_file,oox_inc,inc/oox/helper/propertymap.hxx,oox/hel
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/helper/propertyset.hxx,oox/helper/propertyset.hxx))
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/helper/attributelist.hxx,oox/helper/attributelist.hxx))
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/helper/progressbar.hxx,oox/helper/progressbar.hxx))
+$(eval $(call gb_Package_add_file,oox_inc,inc/oox/helper/modelobjecthelper.hxx,oox/helper/modelobjecthelper.hxx))
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/mathml/export.hxx,oox/mathml/export.hxx))
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/mathml/import.hxx,oox/mathml/import.hxx))
 $(eval $(call gb_Package_add_file,oox_inc,inc/oox/mathml/importutils.hxx,oox/mathml/importutils.hxx))

oox/inc/oox/helper/modelobjecthelper.hxx

@@ -21,6 +21,7 @@
 #define OOX_HELPER_MODELOBJECTHELPER_HXX
 
 #include <com/sun/star/uno/Reference.hxx>
+#include "oox/dllapi.h"
 
 namespace com { namespace sun { namespace star {
     namespace awt { struct Gradient; }
@@ -36,7 +37,7 @@ namespace oox {
 
 /** This helper manages named objects in a container, which is created on demand.
  */
-class ObjectContainer
+class OOX_DLLPUBLIC ObjectContainer
 {
 public:
     explicit            ObjectContainer(
@@ -74,7 +75,7 @@ private:
     in the same filter (e.g. embedded charts) which carry their own drawing
     object tables.
  */
-class ModelObjectHelper
+class OOX_DLLPUBLIC ModelObjectHelper
 {
 public:
     explicit            ModelObjectHelper(

oox/inc/oox/vml/vmlformatting.hxx

@@ -200,7 +200,7 @@ struct StrokeModel
 // ============================================================================
 
 /** The fill model structure contains all shape fill properties. */
-struct FillModel
+struct OOX_DLLPUBLIC FillModel
 {
     OptValue< bool >    moFilled;               ///< Shape fill on/off.
     OptValue< OUString > moColor;        ///< Solid fill color.