SWDEV-478295 - Set CXX as the project language in 23_cmake_hiprtc

Change-Id: I40c01191e9de1790bbdd42896bdf70c046a70e34


[ROCm/hip-tests commit: 8e62770f50]

projects/hip-tests/samples/2_Cookbook/23_cmake_hiprtc/CMakeLists.txt

@@ -18,7 +18,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-project(cmake_hiprtc_test)
+project(cmake_hiprtc_test CXX)
 
 cmake_minimum_required(VERSION 3.10.2)