Incorrect padding on username sometimes

[timob]

On an Amazon Linux EBS ec2 instance:

$ ~/bin/ls -l
total 16
drwxrwxr-x 2 ec2-user         ec2-user 4096 Mar 11 20:06 bin
drwxrwxr-x 2 ec2-user         ec2-user 4096 Mar 11 20:02 downloads
drwxr-xr-x 6 ec2-user         ec2-user 4096 Apr 10  2015 jre1.7.0_79
drwxrwxr-x 3 ec2-user         ec2-user 4096 Mar 11 19:38 src

[timob]

This commit:
b021f51

fixed username lookup, this could of also fixed this problem.