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/generic/splash.h

@@ -65,8 +65,8 @@ protected:
     int                     m_milliseconds;
     wxTimer                 m_timer;
 
-    DECLARE_DYNAMIC_CLASS(wxSplashScreen)
-    DECLARE_EVENT_TABLE()
+    wxDECLARE_DYNAMIC_CLASS(wxSplashScreen);
+    wxDECLARE_EVENT_TABLE();
     wxDECLARE_NO_COPY_CLASS(wxSplashScreen);
 };
 
@@ -88,7 +88,7 @@ public:
 protected:
     wxBitmap    m_bitmap;
 
-    DECLARE_EVENT_TABLE()
+    wxDECLARE_EVENT_TABLE();
     wxDECLARE_NO_COPY_CLASS(wxSplashScreenWindow);
 };