RFR(S): 8211212: ARM: -Werror=switch build failure

[Aleksei Voitylov]

Hi,

it's ARM32 port turn. Please review the following fix for -Werror=switch 
build failure.

webrev: http://cr.openjdk.java.net/~avoitylov/webrev.8211212.01/
issue: https://bugs.openjdk.java.net/browse/JDK-8211212

Thanks,

-Aleksei