insert mutant5

mutants/mutant-5/swen90006/machine/Machine.java

@@ -267,7 +267,7 @@ public class Machine
 	}
 	int offs = parseOffset(toks[1]);
 	pc  = pc + offs;
-	count++;
+	count--;
 	continue; /* avoid default increment of pc below */
       } else if (toks[0].equals(INSTRUCTION_JZ)){
 	if (toks.length != 3){