RFR: [cli] fix typo in GitPrHelp

[Igor Ignatyev]

a trivial patch to fix a typo in GitPrHelp  (s/requeqsts/requests)

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Commit messages:
 - fix typo in GitPrHelp

Changes: https://git.openjdk.java.net/skara/pull/627/files
 Webrev: https://webrevs.openjdk.java.net/skara/627/webrev.00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/627.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/627/head:pull/627

PR: https://git.openjdk.java.net/skara/pull/627