NO-JIRA: Trivial fix for Artemis class, reported by coverity.com

artemis-cli/src/main/java/org/apache/activemq/artemis/cli/Artemis.java

@@ -179,6 +179,7 @@ public class Artemis {
    }
 
    private static long copy(InputStream in, OutputStream out) throws Exception {
+      try {
          byte[] buffer = new byte[1024];
          int len = in.read(buffer);
          while (len != -1) {
@@ -186,6 +187,9 @@ public class Artemis {
             len = in.read(buffer);
          }
          return len;
+      } finally {
+         in.close();
+      }
    }
 
 }