https://bugs.webkit.org/show_bug.cgi?id=74392

Reviewed by Eric Seidel.

Source/WebCore:

Solution uncovered by Nikolas Zimmermann. Removing an early return that caused
SVGUseElements to not update the shadow root's style, and therefor not render
correctly.

Test: svg/custom/use-disappears-after-style-update.svg

* svg/SVGUseElement.cpp:
(WebCore::SVGUseElement::didRecalcStyle):

LayoutTests:

* platform/mac-snowleopard/svg/custom/use-disappears-after-style-update-expected.png: Added.
* platform/mac-snowleopard/svg/custom/use-disappears-after-style-update-expected.txt: Added.
* svg/custom/use-disappears-after-style-update.svg: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@107005 268f45cc-cd09-0410-ab3c-d52691b4dbfc