[libnotify] notify-send: Clear errors that could be re-used

[Marco Trevisan <marcotrevi src gnome org>]

commit 47400a2ff767f07b1223f5686ac602e0a8cde64a
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Mon Apr 25 22:18:13 2022 +0200

    notify-send: Clear errors that could be re-used
    
    We're using error variable multiple times, and this may lead to problems
    when trying to set it again. So let's just clear once it's used.

 tools/notify-send.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tools/notify-send.c b/tools/notify-send.c
index 7fd9efe..65963ff 100644
--- a/tools/notify-send.c
+++ b/tools/notify-send.c
@@ -301,7 +301,7 @@ main (int argc, char *argv[])
 
                                 if (!retval) {
                                         fprintf (stderr, "%s\n", error->message);
-                                        g_error_free (error);
+                                        g_clear_error (&error);
                                         hint_error = TRUE;
                                 }
                         }
@@ -379,7 +379,7 @@ main (int argc, char *argv[])
 
                 if (!retval) {
                         fprintf (stderr, "%s\n", error->message);
-                        g_error_free (error);
+                        g_clear_error (&error);
                         show_error = TRUE;
                 }
         }