tweak

fuzzer/Fuzzer.java

@@ -22,7 +22,7 @@ public class Fuzzer {
                Hint: you might want to make use of the instruction
                grammar which is effectively encoded in Instruction.java */
             pw.println("MOV R26 77");
-            for(Int x;x<70000;x++){
+            for(int x=0;x<70000;x++){
                 pw.println("RET R26");
             }
             /*pw.println("ADD R0 R1 R2");