test_mem_leaks.sh: use libtool to invoke check_mem_leaks
test_mem_leaks.sh: use libtool to invoke check_mem_leaks

The libtool documentation says the proper way to invoke the
compiled program before it is installed is to use libtool.

git-svn-id: d023f1085a36f7a677188d00334e37d38ffecf51@911 64e312b2-a51f-0410-8e61-82d0ca0eb02a

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