gprofng configure target tests

gprofng configure target tests

${target} in configure.ac should be the canonical target, so that for
example, someone configuring with --target=x86_64-linux will match
x86_64-*-linux*.

	* configure.ac: Invoke AC_CANONICAL_TARGET.
	* libcollector/configure.ac: Likewise.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.
	* gp-display-html/Makefile.in: Regenerate.
	* libcollector/Makefile.in: Regenerate.
	* libcollector/configure: Regenerate.
	* src/Makefile.in: Regenerate.