SDL file times are 64-bit integers representing nanoseconds since the Unix epoch

src/dynapi/SDL_dynapi.sym

@@ -999,6 +999,7 @@ SDL3_0.0.0 {
     SDL_RemoveStoragePath;
     SDL_RenameStoragePath;
     SDL_GetStoragePathInfo;
+    SDL_FileTimeFromWindows;
     # extra symbols go here (don't modify this line)
   local: *;
 };