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-rw-r--r--libguile/threads.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libguile/threads.c b/libguile/threads.c
index 11fb87f99..c262c7ca7 100644
--- a/libguile/threads.c
+++ b/libguile/threads.c
@@ -95,7 +95,7 @@ print_thread (exp, port, pstate)
static scm_smobfuns thread_smob =
{
- scm_mark0,
+ 0,
scm_threads_free_thread,
print_thread,
0
@@ -115,7 +115,7 @@ print_mutex (exp, port, pstate)
static scm_smobfuns mutex_smob =
{
- scm_mark0,
+ 0,
scm_threads_free_mutex,
print_mutex,
0
@@ -135,7 +135,7 @@ print_condvar (exp, port, pstate)
static scm_smobfuns condvar_smob =
{
- scm_mark0,
+ 0,
scm_threads_free_condvar,
print_condvar,
0