diff -ur watchdog-5.6.orig/src/wd_keepalive.c watchdog-5.6/src/wd_keepalive.c
--- watchdog-5.6.orig/src/wd_keepalive.c	2009-03-12 15:30:07.000000000 +0100
+++ watchdog-5.6/src/wd_keepalive.c	2009-03-22 17:04:17.000000000 +0100
@@ -321,7 +321,7 @@
     openlog(progname, LOG_PID, LOG_DAEMON);
     sprintf(log, "starting watchdog keepalive daemon (%d.%d):", MAJOR_VERSION, MINOR_VERSION);
     sprintf(log + strlen(log), " int=%d alive=%s realtime=%s", tint, devname, realtime ? "yes" : "no");
-    syslog(LOG_INFO, log);
+    syslog(LOG_INFO, "%s", log);
 #endif                          /* USE_SYSLOG */
 
     /* this daemon has no other function than writing to this device 
Only in watchdog-5.6/src: wd_keepalive.c~