fixed getMessage sig in js helloExc
fixed getMessage sig in js helloExc

RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook