Re: Another fix for EFI generation with LTO enabled

Revert 1c66b8a0 and instead fix the broken list pointer.

	PR 29998
	* pe-dll.c (build_filler_bfd): Revert last change.
	* ldlang.c (lang_process): When rescanning archives for lto,
	fix file_chain.tail pointer if the insert point happens to be
	at the end of the list.