Use real setters for the eventlog config.

This makes it possible to have a base config that the callers can
modify instead of replacing the config wholesale.

plugins/sudoers/defaults.c

@@ -620,8 +620,8 @@ init_defaults(void)
     if (!init_envtables())
 	goto oom;
 
-    /* Update eventlog config. */
-    update_eventlog_config();
+    /* Init eventlog config. */
+    init_eventlog_config();
 
     firsttime = 0;
 
@@ -758,9 +758,6 @@ update_defaults(struct sudoers_parse_tree *parse_tree,
 	    ret = false;
     }
 
-    /* Update eventlog config. */
-    update_eventlog_config();
-
     debug_return_bool(ret);
 }