new ConstOperator constructor

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@454 379699f6-c40d-0410-875b-85095c16579e

jode/jode/expr/Expression.java

@@ -151,8 +151,7 @@ public abstract class Expression {
         return this;
     }
 
-    public static Expression EMPTYSTRING
+    public static Expression EMPTYSTRING = new ConstOperator("");
-	= new ConstOperator(Type.tString, "");
 
     public Expression simplifyStringBuffer() {
         return null;