Fix small bug in StreamBuffer

luprex/core/cpp/streambuffer.hpp

@@ -344,7 +344,7 @@ public:
 
     // Rewind the read cursor to a previous position.
     void unread_to(int64_t read_count);
-
+    
     // Use the stream buffer as a lua_Writer.
     static int lua_writer(lua_State *L, const void* p, size_t sz, void* ud);
     void *lua_writer_ud();