makegraphs: fix status collection for hddshutdown

with kernel 5.10.x also the reading of s.m.a.r.t. data to update
the temperatur graphs is countet as disk read so update the stored
value after reading.

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>

src/scripts/makegraphs

@@ -137,4 +137,13 @@ foreach (@disks){
 	close(DATEI);
 
 	updatehdddata($disk);
+
+	if ( $diskstats eq $newdiskstats ) {
+		# update diskstat because read temp change the status
+		my $newdiskstats = `/usr/bin/iostat -d -t $disk | tail -2 | head -1 | awk '{ print \$5","\$6}'`;
+		chomp $newdiskstats;
+		open(DATEI, ">/var/run/hddstats-$array[$#array]") || die "Datei nicht gefunden";
+		print DATEI $newdiskstats;
+		close(DATEI);
+	}
 }