don't force varnorm flag if --keep_meanvol set

meloptions.cc

@@ -103,7 +103,7 @@ MelodicOptions* MelodicOptions::gopt = NULL;
     		exit(2);
   		}
   		if (!remove_meanvol.value()){
-    		varnorm.set_T(false);
+			std::cout << "--keep_meanvol set, adding --varnorm advised, but not enforced" << std::endl;
   		}
   		if (filter.set()){
     		if (filtermix.set()){