[logback-dev] [qos-ch/logback] 49623d: fix LOGBACK-1271

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 49623d942a4f69992bdae3951a2ec5dfd7e4f694
      https://github.com/qos-ch/logback/commit/49623d942a4f69992bdae3951a2ec5dfd7e4f694
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2017-03-01 (Wed, 01 Mar 2017)

  Changed paths:
    M logback-core/src/main/java/ch/qos/logback/core/rolling/helper/RollingCalendar.java
    M logback-core/src/test/java/ch/qos/logback/core/rolling/helper/RollingCalendarTest.java

  Log Message:
  -----------
  fix LOGBACK-1271