spice: input: Fix absolute mouse y coordinates

Current tablet + spice is unusable. Regressed with the UI input rework.

Signed-off-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/ui/spice-input.c b/ui/spice-input.c
index 6dab23b..c342e0d 100644
--- a/ui/spice-input.c
+++ b/ui/spice-input.c
@@ -176,7 +176,7 @@
 
     spice_update_buttons(pointer, 0, buttons_state);
     qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, pointer->width);
-    qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, pointer->width);
+    qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, pointer->height);
     qemu_input_event_sync();
 }