Regenerate opcodes/msp430-decode.c

Cosmetic changes.

	* msp430-decode.c: Regenerate.
Fix check_relocs/gc_sweep_hook mismatch

	PR ld/16643
	* elflink.c (elf_gc_sweep): Call gc_sweep_hook for exactly
	the same conditions we called check_relocs.
Incorrect .debug_line prologue header length for 64-bit DWARF

Don't be clever, calculate the length directly as the difference of
two symbols.

	* dwarf2dbg.c (out_debug_line): Correct .debug_line header_length
	field for 64-bit dwarf.