ANDROID: keychord: Fix a slab out-of-bounds read.

Fix a slab out of bounds read in keychord_write(), detected by KASAN.

Signed-off-by: Mohan Srinivasan <srmohan@google.com>
Bug: 63962952
Change-Id: Iafef48b5d7283750ac0f39f5aaa767b1c3bf2004
1 file changed