io & client session MAINTENANCE minor compiler warnings
diff --git a/src/io.c b/src/io.c
index 4ed348b..5d2a5e4 100644
--- a/src/io.c
+++ b/src/io.c
@@ -550,7 +550,7 @@
         fds.fd = SSL_get_fd(session->ti.tls);
         break;
 #endif
-    case NC_TI_NONE:
+    default:
         ERRINT;
         return 0;
     }