Update notify.c for issue #254 (#257)

Move the block of code that initializes mark_flag out of the loop so that it's always initialized, even if no watched mount points are initially present.

src/daemon/notify.c

@@ -121,20 +121,20 @@ int init_fanotify(const conf_t *conf, mlist *m)
 
 	mask = FAN_OPEN_PERM | FAN_OPEN_EXEC_PERM;
 
-	// Iterate through the mount points and add a mark
-	path = mlist_first(m);
-	while (path) {
 #if defined HAVE_DECL_FAN_MARK_FILESYSTEM && HAVE_DECL_FAN_MARK_FILESYSTEM != 0
-		if (conf->allow_filesystem_mark)
-		    mark_flag = FAN_MARK_FILESYSTEM;
-		else
-		    mark_flag = FAN_MARK_MOUNT;
+	if (conf->allow_filesystem_mark)
+		mark_flag = FAN_MARK_FILESYSTEM;
+	else
+		mark_flag = FAN_MARK_MOUNT;
 #else
-		if (conf->allow_filesystem_mark)
-			msg(LOG_ERR,
+	if (conf->allow_filesystem_mark)
+		msg(LOG_ERR,
 	    "allow_filesystem_mark is unsupported for this kernel - ignoring");
-		mark_flag = FAN_MARK_MOUNT;
+	mark_flag = FAN_MARK_MOUNT;
 #endif
+	// Iterate through the mount points and add a mark
+	path = mlist_first(m);
+	while (path) {
 retry_mark:
 		if (fanotify_mark(fd, FAN_MARK_ADD | mark_flag,
 				  mask, -1, path) == -1) {