hg: hsx/hotspot-rt/hotspot: 6986195: correctly identify Ubuntu as the operating system in crash report instead of "Debian"

[daniel.daugherty at oracle.com]

Changeset: 4472884d8b37
Author:    dcubed
Date:      2013-09-16 12:43 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/4472884d8b37

6986195: correctly identify Ubuntu as the operating system in crash report instead of "Debian"
Summary: Cleanup and document how various Linux release info files are used by print_distro_info().
Reviewed-by: dcubed, dsamersoff, coleenp, iklam, omajid
Contributed-by: gerald.thornbrugh at oracle.com

! src/os/linux/vm/os_linux.cpp