hg: code-tools/jtreg: Ensure directory created in which to write arg file for othervm tests

[jonathan.gibbons at oracle.com]

Changeset: b2511c725d81
Author:    jjg
Date:      2013-01-15 14:47 -0800
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/b2511c725d81

Ensure directory created in which to write arg file for othervm tests

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