Tag open source release 1.1.8.

PiperOrigin-RevId: 289675084
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32c1d07..68686f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 cmake_minimum_required(VERSION 3.1)
-project(Snappy VERSION 1.1.7 LANGUAGES C CXX)
+project(Snappy VERSION 1.1.8 LANGUAGES C CXX)
 
 # C++ standard can be overridden when this is used as a sub-project.
 if(NOT CMAKE_CXX_STANDARD)
diff --git a/NEWS b/NEWS
index db70b44..98048db 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Snappy v1.1.8, January 15th 2020:
+
+  * Small performance improvements.
+
+  * Removed snappy::string alias for std::string.
+
+  * Improved CMake configuration.
+
 Snappy v1.1.7, August 24th 2017:
 
   * Improved CMake build support for 64-bit Linux distributions.