THRIFT-3196: Fix a typo in the lua TBinaryProtocol

This closes #525
diff --git a/lib/lua/TBinaryProtocol.lua b/lib/lua/TBinaryProtocol.lua
index df13d61..4b8e98a 100644
--- a/lib/lua/TBinaryProtocol.lua
+++ b/lib/lua/TBinaryProtocol.lua
@@ -31,7 +31,7 @@
 })
 
 function TBinaryProtocol:writeMessageBegin(name, ttype, seqid)
-  if self.stirctWrite then
+  if self.strictWrite then
     self:writeI32(libluabitwise.bor(TBinaryProtocol.VERSION_1, ttype))
     self:writeString(name)
     self:writeI32(seqid)