removed a redundant const

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac399@3401 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/datasrc/zonetable.h

@@ -159,7 +159,7 @@ public:
         FindResult(Result param_code, const Zone* param_zone) :
             code(param_code), zone(param_zone)
         {}
-        const Result const code;
+        const Result code;
         const Zone* const zone;
     };