RFR: DIO-11 <openjdkdio>/src/se/classes/com/oracle/dio/registry/RegistryImpl.java does not compile

[boris kvartskhava]

issue: https://bugs.openjdk.java.net/browse/DIO-11
webrev: http://cr.openjdk.java.net/~onazarkina/DIO-11/

Added "final" modifier to local variable "path", now the code is compilable.