fix undefined in docs

diff --git a/docs/Roo.docs.init.js b/docs/Roo.docs.init.js
index e9932a7..9d1cc7c 100644 (file)
--- a/docs/Roo.docs.init.js
+++ b/docs/Roo.docs.init.js
@@ -418,7 +418,7 @@ Roo.docs.init = {
             Roo.docs.augments.hide();
         }
         
             Roo.docs.augments.hide();
         }
         

-        if (d.realImplementors.length) {
+        if (d.realImplementors && d.realImplementors.length) { 

             Roo.docs.implementors.show();
             Roo.docs.implementors.bodyEl().dom.innerHTML = Roo.docs.template.implementors(d);
         } else {
             Roo.docs.implementors.show();
             Roo.docs.implementors.bodyEl().dom.innerHTML = Roo.docs.template.implementors(d);
         } else {