[gthumb] overwrite dialog: do not show an error after cancelling the operation

[Paolo Bacchilega <paobac src gnome org>]

commit ccfcfdd05fd065498bc221a9144374bfb93b2108
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Nov 5 10:36:19 2019 +0100

    overwrite dialog: do not show an error after cancelling the operation
    
    The ignored error is GTH_TASK_ERROR_CANCELLED not G_IO_ERROR_CANCELLED.

 extensions/file_manager/gth-copy-task.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/extensions/file_manager/gth-copy-task.c b/extensions/file_manager/gth-copy-task.c
index 67aa2bb9..36803ef7 100644
--- a/extensions/file_manager/gth-copy-task.c
+++ b/extensions/file_manager/gth-copy-task.c
@@ -60,10 +60,14 @@ copy_done_cb (GObject    *object,
 {
        /* Errors with code G_IO_ERROR_EXISTS are generated when the user
         * chooses to not overwrite the files.  There is no need to show an
-        * error dialog for this type of errors.  To do this the code is set to
-        * G_IO_ERROR_CANCELLED, which is always ignored by GthBrowser. */
-       if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_EXISTS))
-               error->code = G_IO_ERROR_CANCELLED;
+        * error dialog for this type of errors.  To do this create a
+        * GTH_TASK_ERROR_CANCELLED error, which is always ignored by
+        * GthBrowser. */
+       if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_EXISTS)
+               || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+       {
+               error = g_error_new_literal (GTH_TASK_ERROR, GTH_TASK_ERROR_CANCELLED, "");
+       }
        gth_task_completed (GTH_TASK (user_data), error);
 }