Fix a unit test bug for passing arguments to tor_parse_ulong.

We wanted to make sure -50 was a bad input, but instead we were
passing a 'min' that was greater than 'max'.

src/test/test_util.c

@@ -2001,9 +2001,11 @@ test_util_parse_integer(void *arg)
   tt_int_op(10UL,OP_EQ, tor_parse_ulong("10",10,10,100,NULL,NULL));
   tt_int_op(0UL,OP_EQ, tor_parse_ulong("8",8,0,100,NULL,NULL));
   tt_int_op(50UL,OP_EQ, tor_parse_ulong("50",10,50,100,NULL,NULL));
-  tt_int_op(0UL,OP_EQ, tor_parse_ulong("-50",10,-100,100,NULL,NULL));
+  tt_int_op(0UL,OP_EQ, tor_parse_ulong("-50",10,0,100,NULL,NULL));
   tt_int_op(0UL,OP_EQ, tor_parse_ulong("50",-1,50,100,&i,NULL));
   tt_int_op(0,OP_EQ, i);
+  tt_int_op(0UL,OP_EQ, tor_parse_ulong("-50",10,0,100,&i,NULL));
+  tt_int_op(0,OP_EQ, i);
 
   /* Test parse_uint64 */
   tt_assert(U64_LITERAL(10) == tor_parse_uint64("10 x",10,0,100, &i, &cp));