RFR(xxs): 8251257: NMT: jcmd VM.native_memory scale=1 crashes target VM

[Thomas Stüfe]

Hi,

very simple small fix.

jcmd VM.native_memory allows for scale=1 to print exact byte values, but
crashes when printing.

JBS: https://bugs.openjdk.java.net/browse/JDK-8251257
webrev:
http://cr.openjdk.java.net/~stuefe/webrevs/8251257-nmt-scale-1-crash/webrev.00/webrev/

Thanks, Thomas