Jira FOP-2174: When using SVG drawings, if no content-width and content-height is specified, 72 will be used instead of the source-resolution option
Patch submitted by Robert Meyer (rmeyer at hotmail dot co dot uk)

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1428918 13f79535-47bb-0310-9956-ffa450edef68