e10c33986c
Without the change `nss` build on `gcc-13 `fails as:
../../cpputil/databuffer.h:20:20: error: 'uint8_t' does not name a type
20 | DataBuffer(const uint8_t* d, size_t l) : data_(nullptr), len_(0) {
| ^~~~~~~
../../cpputil/databuffer.h:14:1: note: 'uint8_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
13 | #include <iostream>
+++ |+#include <cstdint>
14 |