Since top displays the uptime including seconds, there is no need to add 30

onto it, which may have been used for rounding purposes in other utilities.

PR:	bin/147934
Submitted by:	Janne Snabb <snabb at epipe.com>
Approved by:	rrs (mentor)
MFC after:	2 weeks

contrib/top/display.c

@@ -1273,7 +1273,6 @@ time_t *tod;
 
     if (bt->tv_sec != -1) {
 	uptime = *tod - bt->tv_sec;
-	uptime += 30;
 	days = uptime / 86400;
 	uptime %= 86400;
 	hrs = uptime / 3600;