gprofng: use $host instead $target

By mistake, $target was used instead of $host to configure the gprogng build.

gprofng/ChangeLog
2022-04-28  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	PR gprofng/29113
	PR gprofng/29116
	* configure.ac: Use $host instead $target.
	* libcollector/configure.ac: Likewise.
	* configure: Rebuild.
	* libcollector/configure: Rebuild.
4 files changed