ANDROID: keychord: Fix for a memory leak in keychord.

Fixes a steady memory leak in the keychord release code. A close of
the keychord device will leak 1 keychord structure. Easily
reproducible by a simple program that does an open()->write()->close()
of the keychord device.

Bug: 64483974
Change-Id: I1fa402c666cffb00b8cfd6379d9fe47a0989152c
Signed-off-by: Mohan Srinivasan <[email protected]>
(cherry picked from commit 72a8dae2c25d0277e48672ee85b70236268add01)
Signed-off-by: Francisco Franco <[email protected]>

drivers/input/misc/keychord.c

@@ -412,6 +412,7 @@ static int keychord_release(struct inode *inode, struct file *file)
 
 	if (kdev->registered)
 		input_unregister_handler(&kdev->input_handler);
+	kfree(kdev->keychords);
 	kfree(kdev);
 
 	return 0;