Added package version to tng_io CMakelists.txt

Without a package version (for tng_io), the CMake 3 beta
versions will issue warnings.

Fixes #1477.

Change-Id: I4a8f64f70e7372118eecfebb69b4a24cd18835cb

diff --git a/src/external/tng_io/CMakeLists.txt b/src/external/tng_io/CMakeLists.txt
index dded3945c14022b263fcc4453d3da8da24f6ae83..41eb1551de31a517b20ef93754da53f256b2f4f0 100644 (file)
--- a/src/external/tng_io/CMakeLists.txt
+++ b/src/external/tng_io/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.8)
 
 project(TNG_IO)
+set(PROJECT_VERSION "1.0")
 
 if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
     set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall")