rem: void poptPrintHelp(poptContext con, FILE * fp,  int flags)
add: void poptPrintHelp(poptContext con, FILE * fp,  UNUSED(int flags))
context: void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags){    int leftColWidth;    (void) showHelpIntro(con, fp);    if (con->otherHelp)	fprintf(fp, " %s\n", con->otherHelp);    else	fprintf(fp, " %s\n", POPT_("[OPTION...]"));    leftColWidth = maxArgWidth(con->options, NULL);    singleTableHelp(con, fp, con->options, leftColWidth, NULL);}