Stop deriving native wxGTK wxAnimationCtrl from generic one

This is unnecessary and confusing.

include/wx/animate.h

@@ -146,13 +146,13 @@ protected:
 // include the platform-specific version of the wxAnimationCtrl class
 // ----------------------------------------------------------------------------
 
-#include "wx/generic/animate.h"
-
 #if defined(__WXGTK20__)
     #include "wx/gtk/animate.h"
 
     #define wxHAS_NATIVE_ANIMATIONCTRL
 #else
+    #include "wx/generic/animate.h"
+
     class WXDLLIMPEXP_ADV wxAnimationCtrl : public wxGenericAnimationCtrl
     {
     public:

include/wx/gtk/animate.h

@@ -21,7 +21,7 @@ typedef struct _GdkPixbufAnimationIter GdkPixbufAnimationIter;
 // Resize to animation size if this is set
 #define wxAN_FIT_ANIMATION       0x0010
 
-class WXDLLIMPEXP_ADV wxAnimationCtrl: public wxGenericAnimationCtrl
+class WXDLLIMPEXP_ADV wxAnimationCtrl: public wxAnimationCtrlBase
 {
 public:
     wxAnimationCtrl() { Init(); }

samples/animate/anitest.cpp

@@ -42,6 +42,9 @@
     #error Cannot compile this sample if wxAnimationCtrl is not enabled
 #endif
 
+#ifdef wxHAS_NATIVE_ANIMATIONCTRL
+    #include "wx/generic/animate.h"
+#endif
 
 wxIMPLEMENT_APP(MyApp);
 

src/generic/animateg.cpp

@@ -17,6 +17,7 @@
 #if wxUSE_ANIMATIONCTRL
 
 #include "wx/animate.h"
+#include "wx/generic/animate.h"
 #include "wx/generic/private/animate.h"
 
 #ifndef WX_PRECOMP