Bug 1361994 - Part 2: Fix build error in ServoCSSRuleList. r=xidorn

MozReview-Commit-ID: wiowblsACq

--HG--
extra : rebase_source : f679ebfb45fea71b8ed1d2b5b0b09abe221b4736

layout/style/ServoCSSRuleList.cpp

@@ -14,6 +14,7 @@
 #include "mozilla/ServoNamespaceRule.h"
 #include "mozilla/ServoPageRule.h"
 #include "mozilla/ServoSupportsRule.h"
+#include "nsCSSFontFaceRule.h"
 
 namespace mozilla {
 
@@ -217,7 +218,7 @@ ServoCSSRuleList::FillStyleRuleHashtable(StyleRuleHashtable& aTable)
       aTable.Put(rawRule, castedRule);
     } else if (type == nsIDOMCSSRule::MEDIA_RULE ||
                type == nsIDOMCSSRule::SUPPORTS_RULE) {
-      GroupRule* castedRule = static_cast<GroupRule*>(GetRule(i));
+      css::GroupRule* castedRule = static_cast<css::GroupRule*>(GetRule(i));
 
       // Call this method recursively on the ServoCSSRuleList in the rule.
       ServoCSSRuleList* castedRuleList = static_cast<ServoCSSRuleList*>(