Ralph Mitchell's minor #include patch to prevent some warnings

tests/server/sws.c

@@ -5,6 +5,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <signal.h>
+#include <time.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/wait.h>