Use event tables instead of Connect() in wxInfoBarGeneric.

This allows to handle events from the info bar buttons in the derived classes
using the event tables while if the base class used Connect(), the derived
classes static event handlers would be never executed.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62278 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/infobar.h

@@ -114,6 +114,7 @@ private:
     // the original parent background colour, before we changed it
     wxColour m_origParentBgCol;
 
+    DECLARE_EVENT_TABLE()
     wxDECLARE_NO_COPY_CLASS(wxInfoBarGeneric);
 };