*: slap on a few ALIGN1/2s where appropriate

The result of looking at "grep -F -B2 '*fill*' busybox_unstripped.map"

   text	   data	    bss	    dec	    hex	filename
 829901	   4086	   1904	 835891	  cc133	busybox_before
 829665	   4086	   1904	 835655	  cc047	busybox

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/volume_id/luks.c b/util-linux/volume_id/luks.c
index 42bf876..21cb26f 100644
--- a/util-linux/volume_id/luks.c
+++ b/util-linux/volume_id/luks.c
@@ -40,7 +40,7 @@
 #define LUKS_SALTSIZE           32
 #define LUKS_NUMKEYS             8
 
-static const uint8_t LUKS_MAGIC[] = { 'L','U','K','S', 0xba, 0xbe };
+static const uint8_t LUKS_MAGIC[] ALIGN1 = { 'L','U','K','S', 0xba, 0xbe };
 
 struct luks_phdr {
 	uint8_t		magic[LUKS_MAGIC_L];