[logback-dev] [qos-ch/logback] a4ce68: avoid Iterator creation if not necessary

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: a4ce6851edcfc4006047aa1c72243561d41601e1
      https://github.com/qos-ch/logback/commit/a4ce6851edcfc4006047aa1c72243561d41601e1
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2017-02-01 (Wed, 01 Feb 2017)

  Changed paths:
    M logback-core/src/main/java/ch/qos/logback/core/spi/FilterAttachableImpl.java

  Log Message:
  -----------
  avoid Iterator creation if not necessary