[mutter] wayland/cursor-surface: Remove unnecessary NULL check

[Jonas Ådahl <jadahl src gnome org>]

commit b7e93889067e0ec95ca9dfd218d57d58d1c2f668
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Apr 30 11:59:22 2018 +0200

    wayland/cursor-surface: Remove unnecessary NULL check
    
    The priv->cursor_sprite is created on init() and destroyed on dispose()
    so it will never be NULL when updating the cursor sprite texture.
    
    https://gitlab.gnome.org/GNOME/mutter/issues/77

 src/wayland/meta-wayland-cursor-surface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/wayland/meta-wayland-cursor-surface.c b/src/wayland/meta-wayland-cursor-surface.c
index 7013205c0..91a9fb95d 100644
--- a/src/wayland/meta-wayland-cursor-surface.c
+++ b/src/wayland/meta-wayland-cursor-surface.c
@@ -61,7 +61,7 @@ update_cursor_sprite_texture (MetaWaylandCursorSurface *cursor_surface)
 
   g_return_if_fail (!buffer || buffer->texture);
 
-  if (!priv->cursor_renderer || !cursor_sprite)
+  if (!priv->cursor_renderer)
     return;
 
   if (buffer)