Input: ALPS - fix memory leak when detection fails

This fixes memory leak introduced by commit
a09221e83e13e09a33109b9b037484eade901cea

Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
1 file changed