removed some (currently) redundant std::to_string() calls

Co-authored-by: Robert Reif <reif@earthlink.net>

Author: firewave

lib/token.cpp

@@ -1571,7 +1571,7 @@ static void astStringXml(const Token *tok, nonneg int indent, std::ostream &out)
 
     out << strindent << "<token str=\"" << tok->str() << '\"';
     if (tok->varId())
-        out << " varId=\"" << std::to_string(tok->varId()) << '\"';
+        out << " varId=\"" << tok->varId() << '\"';
     if (tok->variable())
         out << " variable=\"" << tok->variable() << '\"';
     if (tok->function())

lib/tokenize.cpp

@@ -5861,9 +5861,9 @@ void Tokenizer::dump(std::ostream &out) const
         if (tok->link())
             out << " link=\"" << tok->link() << '\"';
         if (tok->varId() > 0)
-            out << " varId=\"" << std::to_string(tok->varId()) << '\"';
+            out << " varId=\"" << tok->varId() << '\"';
         if (tok->exprId() > 0)
-            out << " exprId=\"" << std::to_string(tok->exprId()) << '\"';
+            out << " exprId=\"" << tok->exprId() << '\"';
         if (tok->variable())
             out << " variable=\"" << tok->variable() << '\"';
         if (tok->function())