Fix bug in err_string_data_cmp
Unsigned overflow.  Thanks to Brian Carpenter for reporting this.
@@ -162,7 +162,9 @@ static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
static int err_string_data_cmp(const ERR_STRING_DATA *a,
const ERR_STRING_DATA *b)
{
- return (int)(a->error - b->error);
+ if (a->error == b->error)
+ return 0;
+ return a->error > b->error ? 1 : -1;
}
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
