vcs: invoke the vt update callback when /dev/vcs* is written to

A notifier chain is called whenever the vt code modifies a terminal
content, except for one case which is when the modification comes
through writes to /dev/vcs* devices.  Let's add the missing notifier
invocation at the end of vcs_write() for that case too.

Signed-off-by: Nicolas Pitre <[email protected]>
Cc: Alan Cox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

3 files changed