Re: [PATCH v3 0/7] MR8402: mf/session: Use a dedicated state when source is shutdown.

[Nikolay Sivov (＠nsivov)]

I'm getting a compiler warning:

```
In function ‘session_pause’,
    inlined from ‘session_commands_callback_Invoke’ at ../../wine-git/dlls/mf/session.c:2801:17:
../../wine-git/dlls/mf/session.c:1218:8: warning: ‘hr’ may be used uninitialized [-Wmaybe-uninitialized]
 1218 |     if (FAILED(hr))
      |        ^
../../wine-git/dlls/mf/session.c: In function ‘session_commands_callback_Invoke’:
../../wine-git/dlls/mf/session.c:1195:13: note: ‘hr’ was declared here
 1195 |     HRESULT hr;
      |             ^~
  CCLD   dlls/mf/x86_64-windows/mf.dll
```

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8402#note_107892