fix adbhid mismerge

This fixes a lost 'key' variable declaration that went missing in a
mismerge (commit b981d8b3f5e008ff10d993be633ad00564fc22cd)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 file changed