busybox: 1.21.1 fix for move_to_unaligned16()

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/busybox/busybox-1.21.0/busybox-1.21.0-platform.patch

@@ -0,0 +1,11 @@
+--- busybox-1.21.0/include/platform.h
++++ busybox-1.21.0-platform/include/platform.h
+@@ -228,7 +228,7 @@ typedef uint32_t bb__aliased_uint32_t FI
+ # define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4))
+ # define move_to_unaligned16(u16p, v) do { \
+ 	uint16_t __t = (v); \
+-	memcpy((u16p), &__t, 4); \
++	memcpy((u16p), &__t, 2); \
+ } while (0)
+ # define move_to_unaligned32(u32p, v) do { \
+ 	uint32_t __t = (v); \