Add 2006 to copyright line

From-SVN: r110595

gcc/config/ia64/ia64.c

 /* Definitions of target machine for GNU compiler.
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    Contributed by James E. Wilson <wilson@cygnus.com> and
 		  David Mosberger <davidm@hpl.hp.com>.

gcc/config/ia64/ia64.h

 /* Definitions of target machine GNU compiler.  IA-64 version.
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    Contributed by James E. Wilson <wilson@cygnus.com> and
    		  David Mosberger <davidm@hpl.hp.com>.

gcc/config/ia64/unwind-ia64.c

 /* Subroutines needed for unwinding IA-64 standard format stack frame
    info for exception handling.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006
    Free Software Foundation, Inc.
    Contributed by Andrew MacLeod  <amacleod@cygnus.com>
 	          Andrew Haley  <aph@cygnus.com>

gcc/dwarf2out.c

 /* Output Dwarf2 format symbol table information from GCC.
    Copyright (C) 1992, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005 Free Software Foundation, Inc.
+   2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    Contributed by Gary Funck (gary@intrepid.com).
    Derived from DWARF 1 implementation of Ron Guilmette (rfg@monkeys.com).
    Extensively modified by Jason Merrill (jason@cygnus.com).

gcc/toplev.c

 /* Top level of GCC compilers (cc1, cc1plus, etc.)
    Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
 This file is part of GCC.