msvcp140_atomic_wait: Implement __std_*_crt().

dlls/msvcp140_atomic_wait/main.c

@@ -165,3 +165,13 @@ void __stdcall __std_release_shared_mutex_for_instance(void *ptr)
     }
     LeaveCriticalSection(&shared_mutex_cs);
 }
+
+void* __stdcall __std_calloc_crt(size_t count, size_t size)
+{
+    return calloc(count, size);
+}
+
+void __stdcall __std_free_crt(void *ptr)
+{
+    free(ptr);
+}

dlls/msvcp140_atomic_wait/msvcp140_atomic_wait.spec

@@ -12,12 +12,12 @@
 @ stub __std_atomic_wait_get_remaining_timeout
 @ stub __std_atomic_wait_indirect
 @ stdcall __std_bulk_submit_threadpool_work(ptr long)
-@ stub __std_calloc_crt
+@ stdcall __std_calloc_crt(long long)
 @ stdcall __std_close_threadpool_work(ptr)
 @ stdcall __std_create_threadpool_work(ptr ptr ptr)
 @ stub __std_execution_wait_on_uchar
 @ stub __std_execution_wake_by_address_all
-@ stub __std_free_crt
+@ stdcall __std_free_crt(ptr)
 @ stdcall __std_parallel_algorithms_hw_threads()
 @ stdcall __std_release_shared_mutex_for_instance(ptr)
 @ stdcall __std_submit_threadpool_work(ptr)