RFR: 8211962: Implicit narrowing in MacOSX java.desktop jsound

[Brian Burkhalter]

Looping in 2d-dev.

> On Oct 9, 2018, at 4:17 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
> [I'm not sure whether core-libs is the right list for java.desktop changes.] 
> 
> Please review this trivial fix of a build failure on MacOSX when
> compiling with C++11/14 enabled. An int value is being used in an
> initializer where an unsigned int is needed, which is not permitted
> since C++11.  The solution taken is to cast the value in the
> initializer.  A "better" solution would be to change the type of the
> value, but that has substantial fannout because there are many places
> in our code where signed ints were used instead of the unsigned ints
> used by the underlying MacOSX framework.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8211962
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8211962/open.00/
> 
> Testing:
> mach5 tier1 on MacOSX (really just verifying it builds).
> 
>