Fixing compile error introducted by a typo in r9064.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index d648f54551138666c79a0bed3cacc204b7a9023b..a5c4cb114575a8c34fee2b6eaf216b96a42e595e 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -5704,7 +5704,7 @@ void SubStringStub::Generate(MacroAssembler* masm) {
   __ Set(ecx, Immediate(2));
 
   if (FLAG_string_slices) {
-    Label copy_rountine;
+    Label copy_routine;
     // If coming from the make_two_character_string path, the string
     // is too short to be sliced anyways.
     STATIC_ASSERT(2 < SlicedString::kMinLength);