RFR: 8292314: WINAPI address used as conditional in libsplashscreen

[Julian Waters]

On Sat, 13 Aug 2022 06:09:33 GMT, Julian Waters <jwaters at openjdk.org> wrote:

> libsplashscreen uses the address of the WINAPI UpdateLayeredWindow in the condition of an if block, which will always evaluate to true since the address is never NULL. It is highly unlikely that this is intentional, and is either a harmless mistake that is ultimately optimized out during compilation at best, or an as of yet uncaught, but severe bug in the implementation that fails to call UpdateLayeredWindow at worst. 
> 
> Note: As of now the change simply removes the reference, advice is appreciated if the commit is incorrect and the affected site is actually meant to be a call to UpdateLayeredWindow (as well as whatever parameters are required)

I see, will change the issue to reflect that before integrating

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PR: https://git.openjdk.org/jdk/pull/9866