[Haml] Fix another 1.9 test failure.
[Haml] Fix another 1.9 test failure.

schneems/sass,Anshdesire/sass,Nzaga/sass,chriseppstein/haml,cmpereirasi/sass,concord-consortium/haml,macressler/haml,haml/haml,jaroot32/sass,PMArtz92/sass,Iamronan/sass,sideci-sample/sideci-sample-haml,JuanitoFatas/sass,liquidmetal/sass,chriseppstein/sass,askl56/sass,xzyfer/sass,amitsuroliya/sass,StephanieMak/sass,PMArtz92/sass,nazar-pc/haml,MetaAshley/sass,srawlins/sass,JuanitoFatas/sass,dg1dd1ngs/haml,ridixcr/sass,tangposmarvin/haml,rammy7219/sass,OrenBochman/sass,askl56/sass,lmetla/sass,Industrys/sass,rammy7219/sass,srinivashappy/sass,DanteKaris/sass,amitsuroliya/sass,haml/haml,uniba/hamldoc_ja,danielfein/sass,tenderlove/sass,stefanpenner/haml,saper/sass,schneems/sass,purcell/haml,nazar-pc/haml,zaru/sass,jaroot32/sass,amatsuda/haml,cmpereirasi/sass,ridixcr/sass,HugoRLopes/sass,danielfein/sass,Galactix/sass,Ahnita/sass,hcatlin/sass,saper/sass,14113/sass,chriseppstein/haml,MetaAshley/sass,nicklima/sass,Andrey-Pavlov/sass,oss-practice/sass,tangposmarvin/sass,lmetla/sass,nicklima/sass,stewx/sass,nickg33/sass,OrenBochman/sass,tangposmarvin/haml,srinivashappy/sass,nickg33/sass,keithpitty/haml,modulexcite/sass,Galactix/sass,DanteKaris/sass,keithpitty/haml,HugoRLopes/sass,modulexcite/sass,xzyfer/sass,Iamronan/sass,antonifs/sass,Nzaga/sass,Ahnita/sass,briangonzalez/sass,haml/haml,stanhu/haml,tangposmarvin/sass,dg1dd1ngs/haml,Industrys/sass,macressler/haml,srawlins/sass,stewx/sass,zaru/sass,stanhu/haml,StephanieMak/sass,haml/haml,Andrey-Pavlov/sass,dylannnn/sass,baiyanghese/sass,hcatlin/sass,dylannnn/sass,Anshdesire/sass,antonifs/sass,liquidmetal/sass