Re: [PATCH v2 0/6] MR5193: mouhid, win32u: Send and receive WM_POINTER messages.

[Alexandre Julliard (＠julliard)]

It's causing clang warnings here:

```
In file included from ../wine/dlls/ntoskrnl.exe/sync.c:27:
In file included from ../wine/include/wine/server.h:28:
../wine/include/wine/server_protocol.h:2846:21: warning: field 'input' with variable sized type 'hw_input_t' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]
In file included from ../wine/dlls/ntoskrnl.exe/sync.c:27:
../wine/include/wine/server.h:46:7: warning: field 'u' with variable sized type 'union (unnamed union at ../wine/include/wine/server.h:42:5)' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]
```