[mutter/gnome-3-36] cursor-sprite/xcursor: Use g_warning instead of g_warning_once

[Robert Mader <rmader src gnome org>]

commit c09f75322c280940938ccdcc9b74631a0e50b8a0
Author: Robert Mader <robert mader posteo de>
Date:   Mon Nov 16 16:51:08 2020 +0100

    cursor-sprite/xcursor: Use g_warning instead of g_warning_once
    
    Fixes 8f5ea43c2b8ae487e6bc098b506ed4f70c403489

 src/backends/meta-cursor-sprite-xcursor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/backends/meta-cursor-sprite-xcursor.c b/src/backends/meta-cursor-sprite-xcursor.c
index 0dabb85597..df49b7ab86 100644
--- a/src/backends/meta-cursor-sprite-xcursor.c
+++ b/src/backends/meta-cursor-sprite-xcursor.c
@@ -119,7 +119,7 @@ load_cursor_on_client (MetaCursor cursor, int scale)
   if (xcursor_images)
     return xcursor_images;
 
-  g_warning_once ("No cursor theme available, please install a cursor theme");
+  g_warning ("No cursor theme available, please install a cursor theme");
 
   fallback_size = 24 * scale;
   xcursor_images = XcursorImagesCreate (1);