make negative update times work as diescribed in the documentation (-5 is NOW-5seconds)
authoroetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Mon, 1 Jun 2009 13:58:58 +0000 (13:58 +0000)
committeroetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Mon, 1 Jun 2009 13:58:58 +0000 (13:58 +0000)
commit688e28761c377cae99630846f68adaca3008ad56
treea767020631b517e43a20d4442974e6df6ead9ec0
parentf01e70ccd0b9bf66255e494fabfb1787c7c7d930
make negative update times work as diescribed in the documentation (-5 is NOW-5seconds)
this takes care of debian bug 332766

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1836 a5681a0c-68f1-0310-ab6d-d61299d08faa
src/rrd_update.c