make test jit.cpp just to pass, proper fix needed

test/jit.cpp

@@ -28,9 +28,15 @@
 #include <migraphx/make_op.hpp>
 #include <test.hpp>
 
+#ifndef _WIN32
+#define EXPORT_SYMBOL R"migraphx(extern "C")migraphx"
+#else
+#define EXPORT_SYMBOL R"migraphx(__declspec(dllexport))migraphx"
+#endif
+
 // NOLINTNEXTLINE
-const std::string add_42_src = R"migraphx(
-extern "C" int add(int x)
+const std::string add_42_src = EXPORT_SYMBOL R"migraphx(
+int add(int x)
 {
     return x+42;
 }
@@ -70,7 +76,11 @@ std::function<F> compile_module(const migraphx::module& m, const std::string& fl
 
 TEST_CASE(simple_run)
 {
+#ifdef _WIN32
+    auto f = compile_function<int(int)>(add_42_src, "", "?add@@YAHH@Z");
+#else
     auto f = compile_function<int(int)>(add_42_src, "", "add");
+#endif
     EXPECT(f(8) == 50);
     EXPECT(f(10) == 52);
 }