skip tests requiring setenv if none is available
skip tests requiring setenv if none is available

These tests were not protected by the HAVE_WORKING_SETENV variable,
but needed to be.

git-svn-id: d023f1085a36f7a677188d00334e37d38ffecf51@770 64e312b2-a51f-0410-8e61-82d0ca0eb02a

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