[glib: 9/10] tests: Fix a memory leak in the mainloop test

[Philip Withnall <pwithnall src gnome org>]

commit 2bc1036f8050c5553484dd92f37a88b672875807
Author: Philip Withnall <pwithnall endlessos org>
Date:   Fri Feb 18 02:34:25 2022 +0000

    tests: Fix a memory leak in the mainloop test
    
    The source needs to be removed from the `GMainContext` before being
    unreffed, otherwise the main context and main loop will be kept around.
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 glib/tests/mainloop.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/glib/tests/mainloop.c b/glib/tests/mainloop.c
index 25ef4f42e..8141010c8 100644
--- a/glib/tests/mainloop.c
+++ b/glib/tests/mainloop.c
@@ -1687,10 +1687,11 @@ threadf (gpointer data)
   source = g_timeout_source_new (250);
   g_source_set_callback (source, timeout_cb, loop, NULL);
   g_source_attach (source, context);
-  g_source_unref (source);
  
   g_main_loop_run (loop);
 
+  g_source_destroy (source);
+  g_source_unref (source);
   g_main_loop_unref (loop);
 
   return NULL;