From: Josh DuBois <duboisj@codeweavers.com>
Subject: [tools] buildimage: Allow use of rsvg-convert as alternative to rsvg.
Message-Id: <54C280F5.7040502@codeweavers.com>
Date: Fri, 23 Jan 2015 11:12:21 -0600

librsvg no longer appears to include the 'rsvg' utility: 'rsvg-convert' 
is the new equivalent.