HttpSM cleaning up non-sense pointer indirection (#6721)
HttpSM cleaning up non-sense pointer indirection (#6721)

* HttpSM cleaning up non-sense pointer indirection

* adding assert to appease clang-analyser
SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,pbchou/trafficserver,pbchou/trafficserver,bryancall/trafficserver,bryancall/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,bryancall/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,pbchou/trafficserver