Add missing default value to Settings.
Add missing default value to Settings.

dkelmer/splunk-sdk-java,dkelmer/splunk-sdk-java,splunk/splunk-sdk-java,splunk/splunk-sdk-java,splunk/splunk-sdk-java,splunk/splunk-sdk-java,dkelmer/splunk-sdk-java,dkelmer/splunk-sdk-java,splunk/splunk-sdk-java,splunk/splunk-sdk-java,dkelmer/splunk-sdk-java