Fixed an error where nocam2map would get into an infinite loop with cubes with...

Fixed an error where nocam2map would get into an infinite loop with cubes with a sample or line size less than 10. Fixes #2284.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@6787 41f8697f-d340-4b68-9986-7bafba869bb8