RFR: JDK-8055761 - DIO: UART set and actual parities do not match

[Jen Dority]

issue: https://bugs.openjdk.java.net/browse/JDK-8055761
webrev: http://cr.openjdk.java.net/~jld/8055761/

Hi All,

Need a review for a trivial fix. A value was being set inside an if() test.

Thanks,
Jen