message: Fixup the interface_rest functional test
diff: @@ -210,9 +210,9 @@ class RESTTest (BitcoinTestFramework):
  # compare with block header
  response_header = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"bin", True)
  assert_equal(response_header.status, 200)
  - assert_equal(int(response_header.getheader('content-length')), 112)
  + assert_equal(int(response_header.getheader('content-length')), 80)
  response_header_str = response_header.read()
  - assert_equal(response_str[0:112], response_header_str)
  + assert_equal(response_str[0:80], response_header_str)
  # check block hex format
  response_hex = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+"hex", True)
  