Don't pass a bool to wxImage::MakeEmptyClone() which takes an enum.

Correct the changes of r66167 which accidentally left a call to
MakeEmptyClone() using its previous signature.

See #12682.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66176 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/image.cpp

@@ -1128,7 +1128,7 @@ wxImage wxImage::Rotate90( bool clockwise ) const
 
 wxImage wxImage::Rotate180() const
 {
-    wxImage image( MakeEmptyClone( false ));
+    wxImage image(MakeEmptyClone());
 
     wxCHECK( image.Ok(), image );