Origin: Void-Linux

tevent.h needs sys/types.h for pid_t

--- a/tevent.h
+++ b/tevent.h
@@ -31,5 +31,6 @@
 #include <stdint.h>
 #include <talloc.h>
 #include <sys/time.h>
+#include <sys/types.h>
 #include <stdbool.h>
 
 struct tevent_context;