Trim first line to ensure it truly is empty (DVPL-1277)
Trim first line to ensure it truly is empty (DVPL-1277)

When running against Windows, we can get a blank line that has a ^M in
it, and we think it is not empty, even though it really is. We add a
trim to fix this.

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