PATCH: Update gprof sources to GPLv3

[Nick Clifton]

Hi Guys,

  I have checked in a patch to change the FSF copyrighted sources in
  the gprof directory over to version 3 of the GPL.

Cheers
  Nick

gprof/ChangeLog
2007-07-06  Nick Clifton  <nickc@redhat.com>

	* basic_blocks.c: Update copyright notice to refer to GPLv3.
	* basic_blocks.h, bbconv.pl, bb_exit_func.c, call_graph.c,
	call_graph.h, cg_print.c, cg_print.h, corefile.c, corefile.h,
	flat_bl.m, gmon_io.c, gmon_io.h, gmon_out.h, hist.c, hist.h,
	search_list.c, search_list.h, source.c, source.h, sym_ids.c,
	sym_ids.h, symtab.c, symtab.h: Likewise.