Fixes previous commit.

Should be checking if the owner of the new symbol is a class, not the new symbol itself.

Author: Aleksandar Prokopec

src/compiler/scala/tools/nsc/typechecker/Duplicators.scala

@@ -166,8 +166,8 @@ abstract class Duplicators extends Analyzer {
             val newsym = vdef.symbol.cloneSymbol(newowner)
             newsym.setInfo(fixType(vdef.symbol.info))
             vdef.symbol = newsym
-            debuglog("newsym: " + newsym + " info: " + newsym.info + ", owner: " + newsym.owner)
-            if (newsym.isClass) newsym.owner.info.decls enter newsym
+            debuglog("newsym: " + newsym + " info: " + newsym.info + ", owner: " + newsym.owner + ", " + newsym.owner.isClass)
+            if (newsym.owner.isClass) newsym.owner.info.decls enter newsym
 
           case DefDef(_, name, tparams, vparamss, _, rhs) =>
             // invalidate parameters