Rename temporary copy ssl_tls_old.c back to ssl_tls.c
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index ee5920f..d990d43 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -89,7 +89,7 @@
     ssl_cookie.c
     ssl_srv.c
     ssl_ticket.c
-    ssl_tls_old.c
+    ssl_tls.c
 )
 
 if(CMAKE_COMPILER_IS_GNUCC)