No worries. Just so Epic knows under:
\UnrealEngine\Engine\Source\ThirdParty\PhysX\APEX-1.3\framework\public\NxUserRenderResourceManager.h
The following virtual methods are commented out causing PhysXSupport.h to fail to build:
//virtual NxUserRenderSurfaceBuffer* createSurfaceBuffer(const NxUserRenderSurfaceBufferDesc& desc) = 0;
//virtual void releaseSurfaceBuffer(NxUserRenderSurfaceBuffer& buffer) = 0;
ifdef’ing out the corresponding methods in the FApexNullRenderResourceManager class fixes the build (no other compiler errors).