Fix a bug where we wouldn't find the application/json content-type header
Fix a bug where we wouldn't find the application/json content-type header

adamryman/splunk-sdk-javascript,adamryman/splunk-sdk-javascript,lowtalker/splunk-sdk-javascript,splunk/splunk-sdk-javascript,lowtalker/splunk-sdk-javascript,splunk/splunk-sdk-javascript,splunk/splunk-sdk-javascript