cmake: always compile in memory leaking tests
cmake: always compile in memory leaking tests

The check_mem_leaks is not configured to compile with cmake.
As the target for cmake is Windows, and Windows does not have
a valgrind that will work, there is no point in supporting
it.

git-svn-id: d023f1085a36f7a677188d00334e37d38ffecf51@940 64e312b2-a51f-0410-8e61-82d0ca0eb02a

libcheck/check,libcheck/check,brarcher/check,krichter722/check,krichter722/check,brarcher/check,brarcher/check,9fcc/check,9fcc/check,9fcc/check,libcheck/check,krichter722/check,krichter722/check,krichter722/check,brarcher/check,brarcher/check,9fcc/check,9fcc/check,libcheck/check,libcheck/check