Mark all recursive proptypes as acceptable with {}, not true

Author: jetpacmonkey

lib/rules/prop-types.js

@@ -474,7 +474,7 @@ module.exports = {
       }
       if (seen.has(annotation)) {
         // This must be a recursive type annotation, so just accept anything.
-        return true;
+        return {};
       }
       seen.add(annotation);