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-rw-r--r--src/sentinel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sentinel.c b/src/sentinel.c
index 7bad05d04..1048e8c72 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -36,6 +36,7 @@
#include <ctype.h>
#include <arpa/inet.h>
#include <sys/socket.h>
+#include <sys/wait.h>
extern char **environ;