[crac] RFR: Fix Windows build of Decoder

[Roman Marchenko]

On Thu, 9 Nov 2023 12:06:16 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

> Fixes build failure on Windows introduced in https://github.com/openjdk/crac/pull/116

src/hotspot/share/utilities/decoder.hpp line 125:

> 123:   static void print_state_on(outputStream* st);
> 124: 
> 125: #ifdef _WINDOWS

I'm not sure we have to use #ifdef WINDOWS here. 
There is src\hotspot\os\windows\decoder_windows.cpp file already, I beileve it should be there.

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PR Review Comment: https://git.openjdk.org/crac/pull/138#discussion_r1395272539