fixed simplification of init and incrInstr

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@894 379699f6-c40d-0410-875b-85095c16579e

jode/jode/flow/LoopBlock.java

@@ -510,9 +510,9 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
     public void simplify() {
 	cond = cond.simplify();
 	if (type == FOR) {
-	    incrInstr.simplify();
+	    incrInstr = incrInstr.simplify();
 	    if (initInstr != null)
-		initInstr.simplify();
+		initInstr = initInstr.simplify();
 	}
 	super.simplify();
     }