Input: export 'uniq' in /proc/bus/input/devices

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a9a706f..9b3bfce 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -439,6 +439,7 @@
 	seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
 	seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
 	seq_printf(seq, "S: Sysfs=%s\n", path ? path : "");
+	seq_printf(seq, "U: Uniq=%s\n", dev->uniq ? dev->uniq : "");
 	seq_printf(seq, "H: Handlers=");
 
 	list_for_each_entry(handle, &dev->h_list, d_node)