File rbldnsd-0.997a-format.patch of Package rbldnsd

Third argument of dslog() is a format string

--- rbldnsd.c
+++ rbldnsd.c
@@ -959,7 +959,7 @@
 # undef kb
   }
 #endif /* NO_MEMINFO */
-  dslog(LOG_INFO, 0, ibuf);
+  dslog(LOG_INFO, 0, "%s", ibuf);
 
   check_expires();