[trac404] Spelling fixes

src/lib/dns/messagerenderer.h

@@ -106,7 +106,7 @@ protected:
     /// \short Buffer to store data
     ///
     /// It was decided that there's no need to have this in every subclass,
-    /// at last not now, and this reduces code size and gives compiler a better
+    /// at least not now, and this reduces code size and gives compiler a better
     /// chance to optimise.
     OutputBuffer& buffer_;
 public:

src/lib/dns/rdatafields.cc

@@ -116,7 +116,7 @@ public:
         return (fields_);
     }
     // We use generict write* methods, with the exception of writeName.
-    // So new data can arriwe without us knowing it, this considers all new
+    // So new data can arrive without us knowing it, this considers all new
     // data to be just data and extends the fields to take it into account.
     size_t last_data_pos_;
     void extendData() {