[logback-dev] [qos-ch/logback] 67833a: fix compiler warnings

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 67833af9b9235bd20ef482c89f0360844b7758b7
      https://github.com/qos-ch/logback/commit/67833af9b9235bd20ef482c89f0360844b7758b7
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2018-01-30 (Tue, 30 Jan 2018)

  Changed paths:
    M logback-access/src/main/java/ch/qos/logback/access/db/DBAppender.java
    M logback-access/src/main/java/ch/qos/logback/access/pattern/FullRequestConverter.java
    M logback-access/src/main/java/ch/qos/logback/access/sift/AccessEventDiscriminator.java
    M logback-access/src/test/java/ch/qos/logback/access/jetty/JettyFixtureBase.java
    M logback-classic/src/main/java/ch/qos/logback/classic/net/server/ServerSocketReceiver.java
    M logback-classic/src/test/java/ch/qos/logback/classic/net/server/InstrumentedServerSocketReceiver.java
    M logback-classic/src/test/java/ch/qos/logback/classic/spi/LoggingEventSerializationPerfTest.java
    M logback-core/src/main/java/ch/qos/logback/core/db/dialect/DBUtil.java
    M logback-core/src/main/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilder.java
    M logback-core/src/test/java/ch/qos/logback/core/joran/event/stax/StaxEventRecorderTest.java
    M logback-core/src/test/java/ch/qos/logback/core/net/server/InstrumentedServerSocketAppenderBase.java
    M logback-core/src/test/java/ch/qos/logback/core/net/server/ServerSocketListenerTest.java
    M logback-core/src/test/java/ch/qos/logback/core/net/server/test/MockServerRunner.java
    M logback-core/src/test/java/ch/qos/logback/core/pattern/ConverterHello.java
    M logback-core/src/test/java/ch/qos/logback/core/pattern/ExceptionalConverter.java
    M logback-core/src/test/java/ch/qos/logback/core/status/StatusBaseTest.java

  Log Message:
  -----------
  fix compiler warnings