perf annotate: Do not jump after 'k' is pressed

Do not jump when 'k' is pressed, the cursor show stay where it is.
Right now, it jumps to the currently selected hot instruction.

Signed-off-by: Martin Liška <mliska@suse.cz>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lore.kernel.org/lkml/65416cff-4eb6-713c-a174-2aa43fa64332@suse.cz


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>