message: Update README.md
  Small small change, just adds a ) to complete an open (
diff: @@ -33,7 +33,7 @@ Mesh is built on [Heap Layers](http://heaplayers.org/), an
  infrastructure for building high performance memory allocators in C++
  (see
  [paper](https://people.cs.umass.edu/~emery/pubs/berger-pldi2001.pdf)
  -for details.
  +for details.)
  The entry point of the library is [`libmesh.cc`](src/libmesh.cc).
  This file is where `malloc`, `free` and the instantiations of the
  