4270 ld(1) argument error reporting is still pretty bad

*** 930,939 ****
--- 930,940 ----
                           but no runpaths have been specified via %s"
  @ MSG_ARG_NOENTRY       "entry point symbol '%s' is undefined"
  @ MSG_ARG_UNSUPPORTED   "option %s is no longer supported; ignored"
  @ MSG_MARG_ONLY         "option %s can only be used with a %s"
  @ MSG_ARG_UNKNOWN       "unrecognized option '-%c'"
+ @ MSG_ARG_LONG_UNKNOWN  "unrecognized option '%s'"
  @ MSG_ARG_USEHELP       "use the -z help option for usage information"
  
  
  @ MSG_ARG_FLAGS         "flags processing errors"
  @ MSG_ARG_FILES         "file processing errors. No output written to %s"