Fix configure.ac : AC_CANONICAL_TARGET was called in the wrong order
Fix configure.ac : AC_CANONICAL_TARGET was called in the wrong order

This conflict with build-aux and confuse autoconf

flatzo/popt,flatzo/popt,GerHobbelt/POPT,devzero2000/POPT,devzero2000/POPT,devzero2000/POPT,GerHobbelt/POPT,GerHobbelt/POPT