hg: jdk/sandbox: 8214061: Buffer written into itself

[chris.hegarty at oracle.com]

Changeset: 8527b6100a59
Author:    sgehwolf
Date:      2018-12-04 17:54 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/8527b6100a59

8214061: Buffer written into itself
Summary: Actually write the msg text into the buffer.
Reviewed-by: dcubed, sgehwolf, sspitsyn
Contributed-by: Simon Tooke <stooke at redhat.com>

! src/jdk.jdwp.agent/share/native/libjdwp/debugInit.c