[gimp/gimp-2-10] Update ddswrite.c

[Jehan <jehanp src gnome org>]

commit 06049c3ac59327b20f9e477fb3b50f2a96a1ccf6
Author: T Collins <slicer4ever06 aim com>
Date:   Tue May 5 12:39:59 2020 +0000

    Update ddswrite.c
    
    (cherry picked from commit f00df8f773b498838bc7484a1246248d995e1171)

 plug-ins/file-dds/ddswrite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plug-ins/file-dds/ddswrite.c b/plug-ins/file-dds/ddswrite.c
index 91e66ee9bd..a8a766420b 100644
--- a/plug-ins/file-dds/ddswrite.c
+++ b/plug-ins/file-dds/ddswrite.c
@@ -433,7 +433,7 @@ check_cubemap (gint32 image_id)
         }
     }
 
-  return FALSE;
+  return cubemap;
 }
 
 static gboolean