* elf-bfd.h: Remove PARAMS macro. Replace PTR with void *.

	* elf-bfd.h: Remove PARAMS macro.  Replace PTR with void *.
	(NAME): Use ## rather than CONCAT4 macro.
	* elfcode.h: Remove one remaining PARAMS macro.
	* elf-eh-frame.c: Convert to C90, remove unneeded casts and prototypes.
	* elf-strtab.c: Likewise.
	* elf-hppa.h: Likewise.
	* elf32-hppa.h: Likewise.
	* elf32-hppa.c: Likewise.
	(elf32_hppa_add_symbol_hook): Delete.
	(elf_backend_add_symbol_hook): Don't define.
	* libhppa.h: Convert to C90.  Replace INLINE with inline.