Add missing header, only noticeable on old compilers.

d0811bb7 · Paal Kvamme · 515d25bb · d0811bb7
Commit d0811bb7 authored Jul 05, 2021 by Paal Kvamme
--- a/native/src/impl/perflogger.h
+++ b/native/src/impl/perflogger.h
@@ -25,6 +25,7 @@
 #include <memory>
 #include <mutex>
 #include <ostream>
+#include <atomic>

 namespace InternalZGY {
 #if 0