[mutter/wip/fmuellner/shut-up-compiler-warning] clutter: Shut up a compiler warning

[Florian Müllner <fmuellner src gnome org>]

commit 3f074f187ad09e3200a1124b644fed5b9c49d079
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jan 24 23:09:15 2019 +0100

    clutter: Shut up a compiler warning
    
    g_assert_not_reached() can be disabled at compile time, resulting in
    the compiler complaining about a missing return.
    
    https://gitlab.gnome.org/GNOME/mutter/issues/447

 clutter/clutter/clutter-pan-action.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/clutter/clutter/clutter-pan-action.c b/clutter/clutter/clutter-pan-action.c
index fa08efaf9..3bfb897ae 100644
--- a/clutter/clutter/clutter-pan-action.c
+++ b/clutter/clutter/clutter-pan-action.c
@@ -961,6 +961,7 @@ clutter_pan_action_get_motion_delta (ClutterPanAction *self,
       return clutter_pan_action_get_interpolated_delta (self, delta_x, delta_y);
     default:
       g_assert_not_reached ();
+      return 0.0f; // Avoid compiler warning with G_DISABLE_ASSERT
     }
 }