s/recommended/required in warning:

"It is recommended that your private key files are NOT accessible by others."

since there is no way to skip this check; bz#1878
diff --git a/authfile.c b/authfile.c
index f2aec26..a49850c 100644
--- a/authfile.c
+++ b/authfile.c
@@ -606,7 +606,7 @@
 		error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
 		error("Permissions 0%3.3o for '%s' are too open.",
 		    (u_int)st.st_mode & 0777, filename);
-		error("It is recommended that your private key files are NOT accessible by others.");
+		error("It is required that your private key files are NOT accessible by others.");
 		error("This private key will be ignored.");
 		return 0;
 	}