title: jdeps command use with `--multi-release` option failed
body: <p>I ran the followings commands, but I got the same errors:</p>
  
  <pre><code>$ jdeps --generate-module-info . --multi-release 9 libs/log4j-core-2.11.1.jar
  Error: log4j-core-2.11.1.jar is a multi-release jar file but --multi-release option is not set
  
  $ jdeps --generate-module-info . --multi-release 10 libs/log4j-core-2.11.1.jar
  Error: log4j-core-2.11.1.jar is a multi-release jar file but --multi-release option is not set
  
  $ jdeps --generate-module-info . --multi-release 11 libs/log4j-core-2.11.1.jar
  Error: log4j-core-2.11.1.jar is a multi-release jar file but --multi-release option is not set
  
  $ jdeps --generate-module-info . libs/log4j-core-2.11.1.jar
  Error: log4j-core-2.11.1.jar is a multi-release jar file but --multi-release option is not set
  </code></pre>
  
  <p>What's the problem with the above commands?</p>
  
  <p>Follow others commands about my environment:</p>
  
  <pre><code>$ java --version
  openjdk 10.0.2 2018-07-17
  OpenJDK Runtime Environment (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.4)
  OpenJDK 64-Bit Server VM (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.4, mixed mode)
  
  $ javac --version
  javac 10.0.2
  
  $ jdeps --version
  10.0.2
  </code></pre>
  
  <p>Same error with the <code>java-11-oracle</code>.</p>