made some updates

GC.c

@@ -21,7 +21,7 @@ struct sda sda;
 
 // Stack
 struct stack stack;
-#define SIZE 64
+#define SIZE 10000
 
 //Register
 struct stack reg;

njvm.c

@@ -348,7 +348,6 @@ int main(int argc, char *argv[]) {
                 i++;
                 // TODO: implement heap size
             } else if (strcmp(argv[i], "--gcpurge") == 0) {
-                i++;
                 // TODO: implement gcpurge
             } else {
                 sizeSDA = fromFile(argv[i], program);