fixed serving of JARs if running with hudson-dev:run which was broken since...

fixed serving of JARs if running with hudson-dev:run which was broken since https://github.com/jenkinsci/jenkins/commit/a376eb5832a75d4fb840a9088b37a988582b0965

core/src/main/java/hudson/model/Slave.java

@@ -290,7 +290,7 @@ public abstract class Slave extends Node implements Serializable {
             URL res = Jenkins.getInstance().servletContext.getResource("/WEB-INF/" + name);
             if(res==null) {
                 // during the development this path doesn't have the files.
-                res = new URL(new File(".").getAbsoluteFile().toURI().toURL(),"target/generated-resources/WEB-INF/"+name);
+                res = new URL(new File(".").getAbsoluteFile().toURI().toURL(),"target/jenkins/WEB-INF/"+name);
             }
             return res;
         }