README.md: BM_Sequential(): the return type is 'void'

Used that example as a snippet, and it took a moment to notice
what needed to be changed to make it compile..

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 3820395..360a18d 100644
--- a/README.md
+++ b/README.md
@@ -264,7 +264,7 @@ messages of size `sizeof(v)` `range_x` times. It also outputs throughput in the
 absence of multiprogramming.
 
 ```c++
-template <class Q> int BM_Sequential(benchmark::State& state) {
+template <class Q> void BM_Sequential(benchmark::State& state) {
   Q q;
   typename Q::value_type v;
   for (auto _ : state) {