tomoyo: Use sensible time interface

There is no point in calling gettimeofday if only the seconds part of
the timespec is used. Use get_seconds() instead. It's not only the
proper interface it's also faster.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: linux-security-module@vger.kernel.org
Link: http://lkml.kernel.org/r/20140611234607.775273584@linutronix.de

security/tomoyo/audit.c

@@ -155,11 +155,9 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
 	u8 i;
 	if (!buffer)
 		return NULL;
-	{
-		struct timeval tv;
-		do_gettimeofday(&tv);
-		tomoyo_convert_time(tv.tv_sec, &stamp);
-	}
+
+	tomoyo_convert_time(get_seconds(), &stamp);
+
 	pos = snprintf(buffer, tomoyo_buffer_len - 1,
 		       "#%04u/%02u/%02u %02u:%02u:%02u# profile=%u mode=%s "
 		       "granted=%s (global-pid=%u) task={ pid=%u ppid=%u "