[Bug 44305] GetSystemFirmwareTable() API returns empty SMBIOS records on Ubuntu 16.04 x86_64

https://bugs.winehq.org/show_bug.cgi?id=44305

--- Comment #2 from Gaurav Pruthi  ---
Its 3rd argument is populated after the call.

A reference from MSDN website:
pFirmwareTableBuffer [out]
A pointer to a buffer that receives the requested firmware table. If this
parameter is NULL, the return value is the required buffer size.
For more information on the contents of this buffer, see the Remarks section.