Revert change 28322, which makes ithreads panic

p4raw-id: //depot/perl@28329

diff --git a/perlio.c b/perlio.c
index a5dc32e..2f8820e 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -2367,8 +2367,6 @@ PerlIO_cleanup(pTHX)
        PerlIO_list_free(aTHX_ PL_def_layerlist);
        PL_def_layerlist = NULL;
     }
-
-    Safefree(PL_perlio_fd_refcnt);
 }