A bug fix due to which corrections to each row were computed using average of the flat field for the last row. 
A bug fix due to which corrections to each row were computed using average of the flat field for the last row. 


git-svn-id: ae5d535d8549566df64d2c38e8f7097ffa427e83@38478 fe389314-cf27-0410-b35b-8c050e845b92

jhunkeler/acstools