gprofng: 30910 cross test fail: can't read "CHECK_TARGET": no such variable

When TCL_TRY is FALSE, the wrong check-DEJAGNU is generated.
Place "if TCL_TRY / endif" in the right place.

gprofng/ChangeLog
2023-10-05  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	PR gprofng/30910
	* Makefile.am: Correct "if TCL_TRY / endif".
	* Makefile.in: Rebuild.