Fix link to Fedor's talk.

README.md

@@ -61,7 +61,7 @@ and code from [CppCon 2016](https://github.com/CppCon/CppCon2016/tree/master/htt
  - [The Guideline Support Library - One Year Later](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20Guideline%20Support%20Library%20-%20One%20Year%20Later/The%20Guideline%20Support%20Library%20-%20One%20Year%20Later%20-%20Neil%20MacIntosh%20-%20CppCon%202016.pdf) by Neil MacIntosh
  - [The MAME Story - From C to Modern C++](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20MAME%20Story%20-%20From%20C%20to%20Modern%20C++/The%20MAME%20Story%20-%20From%20C%20to%20Modern%20C++%20-%20Miodrag%20Milanovic%20-%20CppCon%202016.pdf) by Miodrag Milanovic [README](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20MAME%20Story%20-%20From%20C%20to%20Modern%20C++/README.md)
  - [The Power of Reflection with Facebook's Thrift](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20Power%20of%20Reflection%20with%20Facebook's%20Thrift/The%20Power%20of%20Reflection%20with%20Facebook's%20Thrift%20-%20Marcelo%20Juchem%20-%20CppCon%202016.pdf) by Marcelo Juchem
- - [The speed of concurrency (is lock-free faster)](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20speed%20of%20concurrency%20(is%20lock-free%20faster)/The speed of concurrency (is lock-free faster) - Fedor Pikus - CppCon 2016.bz2) by Fedor Pikus
+ - [The speed of concurrency (is lock-free faster)](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20speed%20of%20concurrency%20/The%20speed%20of%20concurrency%20-%20Fedor%20Pikus%20-%20CppCon%202016.bz2) by Fedor Pikus
  - [The strange details of std string at Facebook](https://github.com/CppCon/CppCon2016/tree/master/Presentations/The%20strange%20details%20of%20std%20string%20at%20Facebook/The%20strange%20details%20of%20std%20string%20at%20Facebook%20-%20Nicholas%20Ormrod%20-%20CppCon%202016.pdf) by Nicholas Ormrod
  - [Towards Heterogeneous Programming in C++](https://github.com/CppCon/CppCon2016/tree/master/Presentations/Towards%20Heterogeneous%20Programming%20in%20C++/Towards%20Heterogeneous%20Programming%20in%20C++%20-%20Gordon%20Brown%20and%20Michael%20Wong%20-%20CppCon%202016.pdf) by Gordon Brown and Michael Wong
  - [tuple, What's New, And How It Works](https://github.com/CppCon/CppCon2016/tree/master/Presentations/tuple,%20What's%20New,%20And%20How%20It%20Works/tuple,%20What's%20New,%20And%20How%20It%20Works%20-%20Stephan%20T.%20Lavavej%20-%20CppCon%202016.pdf) by Stephan T. Lavavej