tests/test-config-env.py.out

cext: move util.h to cext tree

Since util.h isn't useful in plain C module, it should be placed in CPython
extension directory.

pager.pager=p0 # $TESTTMP/sysrc:4
ui.editor=e1 # $TESTTMP/userrc:2

pager.pager=p2 # $PAGER
ui.editor=e1 # $TESTTMP/userrc:2