resolved reviewer issues

Author: RuibinCheung

src/stdgpu/CMakeLists.txt

@@ -185,8 +185,8 @@ install(FILES "${stdgpu_SOURCE_DIR}/cmake/Findthrust.cmake"
         DESTINATION "${STDGPU_CMAKE_INSTALL_DIR}"
         COMPONENT stdgpu)
 
-if(STDGPU_BACKEND STREQUAL STDGPU_BACKEND_CUDA)
+if(NOT STDGPU_BACKEND STREQUAL STDGPU_BACKEND_HIP)
     install(FILES "${stdgpu_SOURCE_DIR}/cmake/${STDGPU_BACKEND_DIRECTORY}/determine_thrust_paths.cmake"
             DESTINATION "${STDGPU_CMAKE_INSTALL_DIR}/${STDGPU_BACKEND_DIRECTORY}"
             COMPONENT stdgpu)
-endif()
+endif()