message: ext_authz: Fix spelling mistake in type definition
  Description: Fix a spelling mistake ("Con[s]tant") introduced in
  Risk Level: Low
  Testing: git grep -i contant
  Docs Changes: N/A
  Release Notes: N/A
diff: @@ -21,14 +21,14 @@ namespace ExtAuthz {
  /**
  * Constant values used for tracing metadata.
  */
  -struct TracingContantValues {
  +struct TracingConstantValues {
  const std::string TraceStatus = "ext_authz_status";
  const std::string TraceUnauthz = "ext_authz_unauthorized";
  const std::string TraceOk = "ext_authz_ok";
  const std::string HttpStatus = "ext_authz_http_status";
  };
  -using TracingConstants = ConstSingleton<TracingContantValues>;
  +using TracingConstants = ConstSingleton<TracingConstantValues>;
  /**
  * Possible async results for a check call.
  