[zanata/zanata-platform] 30a534: fix static analysis warning

[GitHub]

  Branch: refs/heads/ZNTA-2504-use-mt
  Home:   https://github.com/zanata/zanata-platform
  Commit: 30a534683a352400f0506a4c43c1516058fbe4a2
      https://github.com/zanata/zanata-platform/commit/30a534683a352400f0506a4c43c1516058fbe4a2
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2018-06-26 (Tue, 26 Jun 2018)

  Changed paths:
    M server/services/src/main/java/org/zanata/rest/service/MachineTranslationsManager.java
    M server/services/src/main/java/org/zanata/service/impl/MachineTranslationServiceImpl.java
    M server/services/src/main/java/org/zanata/service/mt/dto/APIResponse.java

  Log Message:
  -----------
  fix static analysis warning



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