Remove begin.
@@ -399,7 +399,6 @@ memmem(const void *hay, size_t hay_len, const void *needle, size_t needle_len)
apr_size_t len = hay_len - needle_len + 1;
const void *end = hay + hay_len;
- const void *begin = hay;
while ((hay = memchr(hay, *(char *)needle, len))) {
len = end - hay - needle_len + 1;
