Add cmake_minimum_required to test_iss36 CMakeLists.txt

Newer CMake versions require cmake_minimum_required() at the top of
CMakeLists.txt files. Add version 3.10 requirement to fix test on
modern CMake installations.

Author: pocc

tests/test_iss36.py

@@ -9,6 +9,7 @@
 
 
 CMAKELISTS = """\
+cmake_minimum_required(VERSION 3.10)
 project(ct_test C)
 
 set(CMAKE_C_STANDARD 99)