remove VA_* from binutils

remove VA_* from binutils

This removes the last uses of the obsolete VA_* macros from binutils.

All the binutils and bfd changes were tested by rebuilding.
I didn't rebuild the gas change but I think it is obviously correct.

2014-01-07  Tom Tromey  <tromey@redhat.com>

	* elf32-xtensa.c (vsprint_msg): Don't use old VA_* compatibility
	wrappers.

2014-01-07  Tom Tromey  <tromey@redhat.com>

	* bucomm.c (fatal, non_fatal): Replace obsolete VA_* macros with
	stdarg macros.
	* dlltool.c (inform): Replace obsolete VA_* macros with stdarg
	macros.
	* dllwrap.c (inform, warn): Replace obsolete VA_* macros with
	stdarg macros.

2014-01-07  Tom Tromey  <tromey@redhat.com>

	* config/tc-tic30.c (debug): Avoid old VA_* compatibility
	wrappers.