docs generation fix getUsage in xml format

vharseko

01.31.2018 3a26c5e8db9a8b0826c8afef0246c2b8ac28976d

docs generation fix getUsage in xml format

 opendj-cli/src/main/java/com/forgerock/opendj/cli/SubCommandArgumentParser.java

@@ -412,7 +412,7 @@
                // If this is a usage argument, then immediately stop and print
                // usage information.
                if (usageGroupArguments.containsKey(a)) {
                    getUsage(a);
                        writeToUsageOutputStream(getUsage());//getUsage(a);
                    return;
                }