incorporate review feedback for process and dynamic_loader

src/targets/gpu/compile_hip.cpp

@@ -256,9 +256,9 @@ compile_hip_src(const std::vector<src_file>& srcs, std::string params, const std
 #else
     auto p      = dynamic_loader::path(&compile_hip_src_with_hiprtc);
     auto driver = p.parent_path().parent_path() / "bin" / "migraphx-hiprtc-driver";
-#endif
 
     if(fs::exists(driver))
+#endif
     {
         value v;
         v["srcs"]   = to_value(hsrcs);