Convert notify_axis to wl_fixed_t

In preparation for the rest of the axis code changing.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
diff --git a/src/compositor-x11.c b/src/compositor-x11.c
index b64b26c..c69f292 100644
--- a/src/compositor-x11.c
+++ b/src/compositor-x11.c
@@ -502,25 +502,29 @@
 		if (state)
 			notify_axis(&c->base.seat->seat,
 				      weston_compositor_get_time(),
-				      WL_POINTER_AXIS_VERTICAL_SCROLL, 1);
+				      WL_POINTER_AXIS_VERTICAL_SCROLL,
+				      wl_fixed_from_int(1));
 		return;
 	case 5:
 		if (state)
 			notify_axis(&c->base.seat->seat,
 				      weston_compositor_get_time(),
-				      WL_POINTER_AXIS_VERTICAL_SCROLL, -1);
+				      WL_POINTER_AXIS_VERTICAL_SCROLL,
+				      wl_fixed_from_int(-1));
 		return;
 	case 6:
 		if (state)
 			notify_axis(&c->base.seat->seat,
 				      weston_compositor_get_time(),
-				      WL_POINTER_AXIS_HORIZONTAL_SCROLL, 1);
+				      WL_POINTER_AXIS_HORIZONTAL_SCROLL,
+				      wl_fixed_from_int(1));
 		return;
 	case 7:
 		if (state)
 			notify_axis(&c->base.seat->seat,
 				      weston_compositor_get_time(),
-				      WL_POINTER_AXIS_HORIZONTAL_SCROLL, -1);
+				      WL_POINTER_AXIS_HORIZONTAL_SCROLL,
+				      wl_fixed_from_int(-1));
 		return;
 	}