Bug 1088489 followup - Remove accidentally nested <rbc> from box-generation-4-ref.html. rs=dholbert DONTBUILD

--HG--
extra : source : 7aa98b290638b68cfdfe9cd78e41ab34fff4b891

layout/reftests/css-ruby/box-generation-4-ref.html

@@ -39,7 +39,7 @@
       ><rtc pseudo><rt>o</rt><rt pseudo><span> </span></rt><rt>p</rt></rtc><rbc><rb><span>
       </span></rb></rbc><rbc><rb>q</rb></rbc></ruby><span> <span>r</span>
       </span><ruby><rbc></rbc><rtc pseudo><rt>s</rt></rtc></ruby><span> <span>t</span>
-      </span><ruby><rbc><rb>u</rb></rbc><rbc><rbc><rb><span> </span></rb></rbc
+      </span><ruby><rbc><rb>u</rb></rbc><rbc><rb><span> </span></rb></rbc
       ><rbc><rb>v</rb></rbc><rbc><rb><span>
       </span></rb></rbc><rbc><rb>w</rb></rbc><rtc pseudo><rt>x</rt></rtc><rbc><rb><span>
       </span></rb></rbc><rbc><rb>y</rb></rbc><rtc><rt>z</rt></rtc></ruby