Turn on the reftests that were checked in as part of bug 294086 (forgot).

layout/reftests/svg/reftest.list

@@ -2,6 +2,9 @@
 # bugs/
 include bugs/reftest.list
 
+# sizing tests
+include sizing/reftest.list
+
 fails-if(MOZ_WIDGET_TOOLKIT=="cocoa") == clipPath-basic-01.svg pass.svg # bug 379609
 == foreignObject-01.svg pass.svg
 == foreignObject-change-transform-01.svg pass.svg