RFR: Fix Windows build failures

[Roman Kennke]

On Wed, 17 Feb 2021 09:22:54 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Current Windows builds fail with:
> 
> c:\buildbot\worker\build-shenandoah-jdkx-windows\build\src\hotspot\share\gc\shenandoah\shenandoahScanRemembered.cpp(36): error C2220: the following warning is treated as an error
> c:\buildbot\worker\build-shenandoah-jdkx-windows\build\src\hotspot\share\gc\shenandoah\shenandoahScanRemembered.cpp(36): warning C4267: '=': conversion from 'size_t' to 'uint32_t', possible loss of data
> make[3]: *** [lib/CompileJvm.gmk:143: /cygdrive/c/buildbot/worker/build-shenandoah-jdkx-windows/build/build/windows-x86_64-server-fastdebug/hotspot/variant-server/libjvm/objs/shenandoahScanRemembered.obj] Error 1
> 
> Additional testing:
>  - [x] Windows builds

Looks good!

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Marked as reviewed by rkennke (Reviewer).

PR: https://git.openjdk.java.net/shenandoah/pull/17