Re: [PATCH 0/1] MR1147: win32u: Make sure that the stack buffer in set_multi_value_key is large enough

[Huw Davies (＠huw)]

Huw Davies (@huw) commented about dlls/win32u/font.c:
> static void set_multi_value_key( HKEY hkey, const WCHAR *name, const char *value, DWORD len )
>  {
> - WCHAR valueW[256];
> - WCHAR valueW[512];
> - assert(len <= sizeof(valueW)/sizeof(WCHAR));

Since this isn't in a hot path, let's dynamically allocate `valueW`.

Also note for future reference `ARRAY_SIZE(array)` instead of `sizeof(array) / sizeof(array[0])`.