hg: code-tools/jtreg: minor fix to avoid using long form options when not supported

[jonathan.gibbons at oracle.com]

Changeset: c689d908d6fe
Author:    jjg
Date:      2016-07-14 13:47 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/c689d908d6fe

minor fix to avoid using long form options when not supported

! src/share/classes/com/sun/javatest/regtest/CompileAction.java