RFR: 1222: Git patch parser fails on Status T

[Zhao Song]

Make parser know Status T

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Commit messages:
 - fix a bug
 - make parser can handle Status T
 - make parser know Status T

Changes: https://git.openjdk.org/skara/pull/1373/files
 Webrev: https://webrevs.openjdk.org/?repo=skara&pr=1373&range=00
  Issue: https://bugs.openjdk.org/browse/SKARA-1222
  Stats: 18 lines in 2 files changed: 17 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/skara/pull/1373.diff
  Fetch: git fetch https://git.openjdk.org/skara pull/1373/head:pull/1373

PR: https://git.openjdk.org/skara/pull/1373