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-rw-r--r--duo_openvpn.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/duo_openvpn.c b/duo_openvpn.c
index 060d765..6dc2c03 100644
--- a/duo_openvpn.c
+++ b/duo_openvpn.c
@@ -2,6 +2,7 @@
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
+#include <signal.h>
#include <unistd.h>
#include <syslog.h>