Add wxUSE_TASKBARBUTTON under MSW port.

Taskbar button features are only available under MSW port.

Author: Chaobin Zhang

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77647 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/chkconf.h

@@ -86,6 +86,14 @@
 #   endif
 #endif /* wxUSE_TASKBARICON_BALLOONS */
 
+#ifndef wxUSE_TASKBARBUTTON
+#   ifdef wxABORT_ON_CONFIG_ERROR
+#       error "wxUSE_TASKBARBUTTON must be defined."
+#   else
+#       define wxUSE_TASKBARBUTTON 0
+#   endif
+#endif /* wxUSE_TASKBARBUTTON */
+
 #ifndef wxUSE_UXTHEME
 #    ifdef wxABORT_ON_CONFIG_ERROR
 #        error "wxUSE_UXTHEME must be defined."