[trivial] fix linting error

lib/schema.js

@@ -161,7 +161,7 @@ processISchema = Promise.method(function(schema,base$id){
   return schema;
 });
 function processSchema(schema){
-  return new Promise((resolve,reject)=>{
+  return new Promise((resolve, reject)=>{
     if (!schema.properties) {schema.properties={};}
     var $id = schema['$id'] || schema['id'];
     var base$id = $id;
@@ -181,7 +181,6 @@ function processSchema(schema){
               if (!wmap[base$id][refArr.startpart]){
                 wmap[base$id][refArr.startpart]=link;
               }
-
             }
 
             if (pointer.has(obj,refArr.endpart)){
@@ -226,7 +225,7 @@ function processSchema(schema){
                           if (key in ischema['required']) {schema.required.push(key);}
                         }
                       } else {
-                        //error
+                        reject('No further schema found');
                       }
                     });