Fix includes (#5980)

Needed on musl.

diff --git a/src/libelogind/sd-event/test-event.c b/src/libelogind/sd-event/test-event.c
index c0e5e06a18459392d9f099ea099c436217609b97..8425378f3438f299c1657f83597fd66cb6aba18c 100644 (file)
--- a/src/libelogind/sd-event/test-event.c
+++ b/src/libelogind/sd-event/test-event.c
@@ -17,6 +17,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <sys/wait.h>
+
 #include "sd-event.h"
 
 #include "fd-util.h"