RFR(XS): 8218544: Fix build on windows: missing include

[David Holmes]

8218041  was tested with and without PCH and we do not see any failures 
in our builds.

Very perplexing.

But reviewed.

Thanks,
David

On 6/02/2019 6:38 pm, Lindenmaier, Goetz wrote:
> Hi Thomas,
> 
>> I do not understand how 8218041 could have caused this? Plus, does this error
>> show only up in our builds, not in Oracles?
> I didn't track this down, but somehow transitively the include  of os.inline.hpp
> must have disappeared.
> Our build worked with 8217578, but broke with 8218140, and 8218041 was
> in between these and caused other similar issues. So I guessed.
> 
> Probably others use precompiled headers.
> 
> Best regards,
>    Goetz.
> 
> 
> 
>>
>> Fix looks fine.
>>
>> ...Thomas
>>
>>
>>
>>
>> On Wed, Feb 6, 2019 at 8:38 AM Lindenmaier, Goetz
>> <goetz.lindenmaier at sap.com <mailto:goetz.lindenmaier at sap.com> > wrote:
>>
>>
>> 	Hi
>>
>> 	the windows build is broken for a few days. This adds the missing
>> 	include.
>> 	http://cr.openjdk.java.net/~goetz/wr19/8218544-win_build/01/
>>
>> 	Please review.
>>
>> 	disassembler.obj : error LNK2019: unresolved external symbol "public:
>> static char const * __cdecl os::dll_file_extension(void)"
>>
>> 	Best regards,
>> 	  Goetz.
>>
>>
>