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/qt/glcanvas.h

@@ -21,7 +21,7 @@ public:
 private:
     QGLContext *m_glContext;
 
-    DECLARE_CLASS(wxGLContext)
+    wxDECLARE_CLASS(wxGLContext);
 };
 
 // ----------------------------------------------------------------------------
@@ -58,8 +58,8 @@ public:
 
 private:
 
-//    DECLARE_EVENT_TABLE()
-    DECLARE_CLASS(wxGLCanvas)
+//    wxDECLARE_EVENT_TABLE();
+    wxDECLARE_CLASS(wxGLCanvas);
 };
 
 #endif // _WX_GLCANVAS_H_