[sysprof/wip/chergert/control-fd] collector: ignore backtrace on free

[Christian Hergert <chergert src gnome org>]

commit 61c1937f6424d197ea29465a9e83a4732c608301
Author: Christian Hergert <chergert redhat com>
Date:   Tue Feb 11 17:01:08 2020 -0800

    collector: ignore backtrace on free

 src/libsysprof/preload/sysprof-memory-collector.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libsysprof/preload/sysprof-memory-collector.c 
b/src/libsysprof/preload/sysprof-memory-collector.c
index 8187ffe..420a8ed 100644
--- a/src/libsysprof/preload/sysprof-memory-collector.c
+++ b/src/libsysprof/preload/sysprof-memory-collector.c
@@ -186,7 +186,7 @@ track_free (void *ptr)
   if G_LIKELY (collector_ready != FALSE)
     sysprof_collector_allocate (GPOINTER_TO_SIZE (ptr),
                                 0,
-                                backtrace_func,
+                                NULL,
                                 NULL);
 }