Don't pass unadorned zeros to varargs functions

	PR gas/17753
	* config/tc-mep.c (md_begin): Specify types of vararg literals.
ARM: Add support for value 3 of Tag_ABI_VFP_args attribute

Missing from 5c294fee

elfcpp/
	* arm.h: Add enums for Tag_ABI_FP_number_model and Tag_ABI_VFP_args.
gold/
	* arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on
	new enums.
	(Target_arm::merge_object_attributes, ): Likewise.
Whitespace cleanup
Whitespace cleanup
Automatic date update in version.in