Fix typo in builtins-x87, introduced in crrev.com/1107233004.

src/x87/builtins-x87.cc

Index: src/x87/builtins-x87.cc
diff --git a/src/x87/builtins-x87.cc b/src/x87/builtins-x87.cc
index ecea4bda45ec66dd5c5ef091bea63d0047dc1f7d..75ce6828a32a968625035fd36c3cd734db5033bf 100644
--- a/src/x87/builtins-x87.cc
+++ b/src/x87/builtins-x87.cc
@@ -804,7 +804,7 @@ void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_MarkCodeToBeExecutedOnce(MacroAssembler* masm) {
+void Builtins::Generate_MarkCodeAsToBeExecutedOnce(MacroAssembler* masm) {
   Generate_MarkCodeAsExecutedOnce(masm);
 }