Eliminate ia64 compiler warnings. Fix ia64 gas testsuite again.

Eliminate ia64 compiler warnings.  Fix ia64 gas testsuite again.
	*  elfxx-ia64.c (get_dyn_sym_info): Cast %p argument to void *.
	* config/tc-ia64.h (ia64_init): Add prototype.
	* gas/ia64/dv-imply.d, gas/ia64/dv-mutex.d, gas/ia64/dv-safe.d,
	gas/ia64/dv-srlz.d, gas/ia64/opc-m.d: Update.
	* ia64-dis.c (print_insn_ia64): Cast away const on ia64_free_opcode
	argument.
	* ia64_gen.c (insert_deplist): Cast sizeof result to int.
	(print_dependency_table): Print NULL if semantics field not set.
	(insert_opcode_dependencies): Mark cmp parameter as unused.
	(print_main_table): Use fprintf_vma to print long long fields.
	(main): Mark argv paramter as unused.  Convert to old style definition.
	* ia64-opc.c (ia64_find_dependency): Cast sizeof result to int.
	* ia64-asmtab.c: Regnerate.