Take into account wxAnimationCtrl "animation" property in wxrc.

The files used as the values of this property need to be included in the
generated file too.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77005 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxrc/wxrc.cpp

@@ -495,6 +495,10 @@ static bool NodeContainsFilename(wxXmlNode *node)
            return true;
    }
 
+   // wxAnimationCtrl animations:
+   if ( name == wxS("animation") )
+       return true;
+
    // URLs in wxHtmlWindow:
    if ( name == wxT("url") &&
         parent != NULL &&