since

https://github.com/Torque3DResources/curlModule/blob/main/source/libs/libs.cmake
appends TORQUE_INCLUDE_DIRECTORIES
we can look in that dir for httpobject sintead of relying on relative-to-core locations

Engine/source/platform/platformNet.cpp

@@ -27,7 +27,7 @@
 #include "console/consoleTypes.h"
 
 #ifdef TORQUE_NET_CURL
-#include "app/net/httpObject.h"
+#include <httpObject.h>
 #endif
 
 // jamesu - debug DNS