fix header files so that they can be included directly without generating 'undefined reference' errors

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52638 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextbulletspage.h

@@ -15,6 +15,7 @@
 /*!
  * Includes
  */
+#include "wx/spinbutt.h"        // for wxSpinEvent
 
 /*!
  * Forward declarations

include/wx/tbarbase.h

@@ -443,7 +443,7 @@ public:
     wxToolBarToolBase *FindById(int toolid) const;
 
     // return true if this is a vertical toolbar, otherwise false
-    bool IsVertical() const { return HasFlag(wxTB_LEFT | wxTB_RIGHT); }
+    bool IsVertical() const;
 
 
     // the old versions of the various methods kept for compatibility

src/common/tbarbase.cpp

@@ -125,6 +125,7 @@ void wxToolBarToolBase::SetDropdownMenu(wxMenu* menu)
     m_dropdownMenu = menu;
 }
 
+
 // ----------------------------------------------------------------------------
 // wxToolBarBase adding/deleting items
 // ----------------------------------------------------------------------------
@@ -596,6 +597,12 @@ void wxToolBarBase::SetRows(int WXUNUSED(nRows))
     // nothing
 }
 
+bool wxToolBarBase::IsVertical() const
+{
+    return HasFlag(wxTB_LEFT | wxTB_RIGHT);
+}
+
+
 // ----------------------------------------------------------------------------
 // event processing
 // ----------------------------------------------------------------------------