Show a more useful error if the backup has finished

Author: jcameron

Diff for: kill_running.cgi

@@ -13,7 +13,8 @@ foreach $sid_pid (@d) {
 	($sid, $pid) = split(/-/, $sid_pid);
 	($sched) = grep { $_->{'id'} eq $sid &&
 			  $_->{'pid'} == $pid } @running;
-	$sched && &can_backup_sched($sched) ||
+	$sched || &error(&text('dsched_erunning', $sid));
+	&can_backup_sched($sched) ||
 		&error(&text('dsched_ecannot', $sid));
 	push(@scheds, $sched);
 	}

Diff for: lang/en

@@ -5804,6 +5804,7 @@ cron_ehidden=No complex schedule was selected
 dsched_err=Failed to delete scheduled backups
 dsched_enone=None selected
 dsched_egone=The backup with ID $1 no longer exists
+dsched_erunning=The backup with ID $1 is no longer running
 dsched_ecannot=You are not allowed to manage the backup with ID $1
 
 dbhosts_err=Failed to change remote database hosts