THRIFT-4386 Add Lua 5.3/5.4 support
Clint: lua
Patch: Thomas Bruggink

This closes #3012
diff --git a/lib/lua/TFramedTransport.lua b/lib/lua/TFramedTransport.lua
index 768e2d9..4f41e83 100644
--- a/lib/lua/TFramedTransport.lua
+++ b/lib/lua/TFramedTransport.lua
@@ -18,7 +18,7 @@
 --
 
 require 'TTransport'
-require 'libluabpack'
+local libluabpack = require 'libluabpack'
 
 TFramedTransport = TTransportBase:new{
   __type = 'TFramedTransport',