* grub-core/commands/hdparm.c (le16_to_char): Make src and dest uint16 *

	* grub-core/commands/hdparm.c (le16_to_char): Make src and dest uint16 *
	to ensure alignment.
	(grub_hdparm_print_identify): Make argument uint16 * to ensure
	alignment. Ensure tmp alignment.
	(grub_cmd_hdparm): Ensure buf alignment.
	* grub-core/disk/ata.c (grub_ata_strncpy): Make src and dest uint16 *
	to ensure alignment.
	(grub_ata_dumpinfo): Ensure text alignment.
	(grub_atapi_identify): Preserve alignment invariant.
	(grub_ata_identify): Likewise. Use grub_get_unaligned32 when necessary.