wordpress-mobile/WordPress-iOS — pull request #1245 by astralbodies (2014-02-20 17:00:36+00:00)
Title: Prevents a crash when a time period has zero count

Bar height was being calculated as NaN (zero divided by a number) and then `CGContextAddLineToPoint` would crash due to the invalid inputs. Updated the calculation method to return height of zero if count is zero.