[zanata/zanata-platform] a01b8c: fix findbugs

[GitHub]

  Branch: refs/heads/ZNTA-1865-select-all-option
  Home:   https://github.com/zanata/zanata-platform
  Commit: a01b8c88e9b21a3a98476a3539e7f8975c67e9d6
      https://github.com/zanata/zanata-platform/commit/a01b8c88e9b21a3a98476a3539e7f8975c67e9d6
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2017-07-24 (Mon, 24 Jul 2017)

  Changed paths:
    M server/zanata-war/src/main/java/org/zanata/service/TranslationMemoryService.java
    M server/zanata-war/src/main/java/org/zanata/service/impl/TransMemoryMergeServiceImpl.java
    M server/zanata-war/src/main/java/org/zanata/service/impl/TranslationMemoryServiceImpl.java

  Log Message:
  -----------
  fix findbugs