tree.h: Remove.

2008-01-14  Paolo Carlini  <pcarlini@suse.de>

	* include/parallel/tree.h: Remove.
	* include/Makefile.am: Update.
	* include/Makefile.in: Rebuild.

	* src/Makefile.am: Remove spurious trailing backslash.
	* src/Makefile.in: Rebuild.
	* po/Makefile.in: Likewise.
	* libmath/Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.
	* libsupc++/Makefile.in: Likewise.
	* aclocal.m4: Likewise.
	* Makefile.in: Likewise.
	* configure: Likewise.

From-SVN: r131529