Fix bug when position is 0 in p2c/axisToCanvasCoords
Fix bug when position is 0 in p2c/axisToCanvasCoords


git-svn-id: 69ded9146d58d49997b4c1cfecf13054cc149d03@267 1e0a6537-2640-0410-bfb7-f154510ff394

matong/flot,MAMISHO/flot,andig/flot,stanislavdavid/flot,andig/flot,stanislavdavid/flot,wet-boew/flot,octavianCraciun/engineering-flot,chaveiro/flot,petrvacha/flot,soenter/flot,k-joseph/flot,chiu/flot,soenter/flot,magora-suchkov/flot,saike/flot,chaveiro/flot,trask/flot,chaveiro/flot,cipix2000/flot,Ninir/flot,cipix2000/engineering-flot,Ninir/flot,lolifans/flot,resnick1223/flot,chiu/flot,Sensirion/flot,resnick1223/flot,mlitwiniuk/flot,kongx73/flot,TrainingPeaks/flot,chiu/flot,saike/flot,resnick1223/flot,saike/flot,flot/flot,pepperdata/flot,stanislavdavid/flot,fashionsun/flot,mlitwiniuk/flot,cipix2000/flot,wet-boew/flot,mlitwiniuk/flot,phusion/flot,ni-kismet/engineering-flot,k-joseph/flot,andig/flot,colinhunt/flot,k-joseph/flot,mcanthony/flot,klarkc/flot,gdseller/flot,sedran/flot