configure.in (_XOPEN_SOURCE, [...]): Move these defines before tests which might be affected by them.

2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>

	* libI77/configure.in (_XOPEN_SOURCE, _FILE_OFFSET_BITS): Move
	these defines before tests which might be affected by them.
	(_XOPEN_SOURCE_EXTENDED): Define.
	* libI77/configure, libI77/config.h.in: Regenerate.

From-SVN: r44133