Use autoconf check for long long in binutils

Use autoconf check for long long in binutils

Also fix a place where %lld was wrongly used to print a dwarf_vma.

	* configure.ac: Check for long long and sizes of long long and long.
	* elfcomm.h (HOST_WIDEST_INT): Test HAVE_LONG_LONG in place of
	__STDC_VERSION__ and __GNUC__.
	* strings.c (print_strings): Likewise.
	* dwarf.c (DWARF_VMA_FMT, DWARF_VMA_FMT_LONG): Likewise.
	(read_debug_line_header): Use dwarf_vmatoa to print warning.
	* configure: Regenerate.
	* config.in: Regenerate.