fix include

diff --git a/test/setup.cpp b/test/setup.cpp
index 493b591f0825cb5ea271e3008ea191a0dffd531d..9591a3569c7b982350bfdf35fe6dc8a6563c5698 100644 (file)
--- a/test/setup.cpp
+++ b/test/setup.cpp
@@ -6,6 +6,7 @@
 #include <csignal>
 #include <iostream>
 #include <string>
+#include <unistd.h>
 
 static void sigchld(int, siginfo_t *si, void *) {
   switch (si->si_code) {