* threads. The producer adds struct work_items to 'todo' and the
  * consumers pick work items from the same array.
  */
-struct work_item
-{
+struct work_item {
        enum work_type type;
        char *name;
 
                OPT_BOOLEAN('F', "fixed-strings", &opt.fixed,
                        "interpret patterns as fixed strings"),
                OPT_GROUP(""),
-               OPT_BOOLEAN('n', NULL, &opt.linenum, "show line numbers"),
+               OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"),
                OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
                OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
                OPT_NEGBIT(0, "full-name", &opt.relative,