Do what the manual says.

diff -Nur aide-0.12-orig/src/aide.c aide-0.12/src/aide.c
--- aide-0.12-orig/src/aide.c	2006-10-04 12:20:25.000000000 +0200
+++ aide-0.12/src/aide.c	2006-10-14 22:35:47.000000000 +0200
@@ -109,7 +109,7 @@
     { "update", no_argument, NULL, 'u'},
     { "config-check", no_argument, NULL, 'D'},
     { "compare", no_argument, NULL, 'E'},
-    { NULL }
+    { NULL, 0, NULL, 0 }
   };
 
   while(1){