RFR: 8016063 - getFinalAttributes should use FindClose

[Rob McKenna]

Hi folks,

When fixing 7038105 I overlooked the fact I should have use FindClose 
instead of CloseHandle after calling FindFirstFileW:

http://msdn.microsoft.com/en-us/library/windows/desktop/aa364418%28v=vs.85%29.aspx

http://cr.openjdk.java.net/~robm/8016063/webrev.01/

Thanks,

     -Rob