Use wx-prefixed macros throughout the repository.

Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.

include/wx/xrc/xh_spin.h

@@ -23,7 +23,7 @@ public:
     virtual wxObject *DoCreateResource();
     virtual bool CanHandle(wxXmlNode *node);
 
-    DECLARE_DYNAMIC_CLASS(wxSpinButtonXmlHandler)
+    wxDECLARE_DYNAMIC_CLASS(wxSpinButtonXmlHandler);
 };
 
 #endif // wxUSE_SPINBTN
@@ -38,7 +38,7 @@ public:
     virtual wxObject *DoCreateResource();
     virtual bool CanHandle(wxXmlNode *node);
 
-    DECLARE_DYNAMIC_CLASS(wxSpinCtrlXmlHandler)
+    wxDECLARE_DYNAMIC_CLASS(wxSpinCtrlXmlHandler);
 };
 
 #endif // wxUSE_SPINCTRL