Make wxPORTRAIT and wxLANDSCAPE elements of wxPrintOrientation enum.

Change wxPrintData::SetOrientation() to take wxPrintOrientation instead of
int.

Closes #11393.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62823 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/cmndata.h

@@ -567,7 +567,7 @@ public:
     /**
         Gets the orientation. This can be wxLANDSCAPE or wxPORTRAIT.
     */
-    int GetOrientation() const;
+    wxPrintOrientation GetOrientation() const;
 
     /**
         Returns the paper size id.
@@ -634,7 +634,7 @@ public:
     /**
         Sets the orientation. This can be wxLANDSCAPE or wxPORTRAIT.
     */
-    void SetOrientation(int orientation);
+    void SetOrientation(wxPrintOrientation orientation);
 
     /**
         Sets the paper id. This indicates the type of paper to be used. For a