perf kwork: Fix spelling mistake "COMMMAND" -> "COMMAND"

There is a spelling mistake in a literal string. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Cc: kernel-janitors@vger.kernel.org
Link: https://lore.kernel.org/r/20230915090910.30182-1-colin.i.king@gmail.comSigned-off-by: Namhyung Kim <namhyung@kernel.org>

tools/perf/builtin-kwork.c

@@ -1629,7 +1629,7 @@ static void top_print_header(struct perf_kwork *kwork __maybe_unused)
 
 		     PRINT_CPU_USAGE_WIDTH, "%CPU",
 		     PRINT_RUNTIME_HEADER_WIDTH + RPINT_DECIMAL_WIDTH, "RUNTIME",
-		     PRINT_TASK_NAME_WIDTH, "COMMMAND");
+		     PRINT_TASK_NAME_WIDTH, "COMMAND");
 	printf("\n ");
 	print_separator(ret);
 }