Added internal wxHatchStyle enum.

It's annoying that the same code for hatched pens and brushes can't be reused
without relying on deprecated wxXXX_HATCH constants, so add new,
non-deprecated, wxHatchStyle enum that can be used in such code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71905 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/pen.h

@@ -64,8 +64,11 @@ enum wxPenStyle
     wxPENSTYLE_VERTICAL_HATCH,
         /**< Vertical hatch. */
 
-    wxPENSTYLE_FIRST_HATCH = wxPENSTYLE_BDIAGONAL_HATCH,
-    wxPENSTYLE_LAST_HATCH = wxPENSTYLE_VERTICAL_HATCH
+    wxPENSTYLE_FIRST_HATCH,
+        /**< First of the hatch styles (inclusive). */
+
+    wxPENSTYLE_LAST_HATCH
+        /**< Last of the hatch styles (inclusive). */
 };
 
 /**