Fix a bunch of spelling mistakes :\

src/jsregexp.cc

Index: src/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index d0c3b21cfbf297cbc00bd4ce820b161795ef2e2c..aa4e82527d8424f60a8b186a4e633b0c8debe0ce 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -1465,7 +1465,7 @@ void GenerationVariant::PerformDeferredActions(RegExpMacroAssembler* assembler,
 
 
 // This is called as we come into a loop choice node and some other tricky
-// nodes.  It normalises the state of the code generator to ensure we can
+// nodes.  It normalizes the state of the code generator to ensure we can
 // generate generic code.
 bool GenerationVariant::Flush(RegExpCompiler* compiler, RegExpNode* successor) {
   RegExpMacroAssembler* assembler = compiler->macro_assembler();