RFR(XS): 8198906: JDK-8196882 breaks VS2013 Win32 builds

[Kim Barrett]

> On Mar 2, 2018, at 1:28 AM, Thomas Stüfe <thomas.stuefe at gmail.com> wrote:
> 
> Hi Kim, looks good. Thanks for taking care of this.
> 
> ..Thomas

Thanks.

> 
> On Thu, Mar 1, 2018 at 9:29 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
> Please review this change to fix a build failure on Win32 when using
> VS2013 (and likely earlier).  In os::vsnprintf, cast the int result to
> size_t for comparison with the buffer size, after having verified the
> result is non-negative.
> 
> I'm not sure why this failure doesn't occur with VS2013 Win64 builds.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8198906
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8198906/open.00/
> 
> Testing:
> VS2013 Win64 still builds.  I don't have access to Win32, but the
> change is pretty simple.