Summary: A minor bug in the parser prevented it from handling git diffs where an
empty file appears at the end of the diff. Since git appends an extra newline,
we failed to jump into the '$line === null' block.
Test Plan: Ran unit tests. Generated a revision which only deleted an empty
file.
Reviewers: jungejason, nh, tuomaspelkonen, aran
Reviewed By: nh
CC: aran, nh, epriestley
Differential Revision: 998