<svg:pattern> Fix pattern with content units = object_bounding_box.
<svg:pattern> Fix pattern with content units = object_bounding_box.

janmarthedal/mathml2svg,janmarthedal/mathml2svg,wavewave/lasem,janmarthedal/mathml2svg,gjtorikian/lasem,gjtorikian/lasem,gjtorikian/lasem,janmarthedal/mathml2svg,wavewave/lasem,wavewave/lasem,wavewave/lasem,gjtorikian/lasem