a few c++ fixes to allow compilation on Windows (#2282)

test/verify/run_verify.cpp

@@ -44,8 +44,7 @@ MIGRAPHX_DECLARE_ENV_VAR(MIGRAPHX_DUMP_TEST)
 
 // An improved async, that doesn't block
 template <class Function>
-std::future<typename std::result_of<Function()>::type> detach_async(Function&& f,
-                                                                    bool parallel = true)
+std::future<std::invoke_result_t<Function>> detach_async(Function&& f, bool parallel = true)
 {
     if(parallel)
     {

tools/api/api.cpp

@@ -38,6 +38,7 @@
 #include <migraphx/register_op.hpp>
 #include <migraphx/json.hpp>
 #include <migraphx/convert_to_json.hpp>
+#include <array>
 #include <algorithm>
 #include <cstdarg>
 

tools/api/migraphx.h

@@ -26,6 +26,7 @@
 
 #include <stdlib.h>
 #include <stdbool.h>
+#include <stdint.h>
 
 #include <migraphx/api/export.h>