gdb/

gdb/
	Fix 64-bit constants on 32-bit hosts.
	* dwarf2read.c (read_unsigned_leb128): Change declaration return type
	from unsigned long to ULONGEST.
	(read_signed_leb128): Change declaration return type from long to
	LONGEST.
	(dwarf2_const_value_attr): Change declaration parameter value from long
	to LONGEST.
	(dwarf2_compute_name): Change variable value from long to LONGEST.
	(read_unsigned_leb128): Change return type, variable result and some
	casts from unsigned long to ULONGEST.
	(read_signed_leb128): Change return type, variable result and some
	casts from long to LONGEST.
	(dwarf2_const_value_data, dwarf2_const_value_attr): Change parameter
	value from long to LONGEST.
	(dwarf2_const_value): Change variable value from long to LONGEST.
	* symmisc.c (print_symbol): Change SYMBOL_VALUE format strings to use
	plongest and hex_string.
	* symtab.h (struct general_symbol_info): Change ivalue from long to
	LONGEST, remove the comment.
	* tracepoint.c (validate_actionline, collect_symbol, scope_info):
	Change SYMBOL_VALUE format strings to use plongest and hex_string.