[master] a47763575 Tolerate lock witness leaks

[Dridi Boukelmoune]

commit a47763575707d62a08fbf1979dcfb0758a586991
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Sat May 2 17:36:24 2020 +0200

    Tolerate lock witness leaks
    
    It's not a gadget for production use.

diff --git a/tools/lsan.suppr b/tools/lsan.suppr
index 4e9892357..8ed7048df 100644
--- a/tools/lsan.suppr
+++ b/tools/lsan.suppr
@@ -16,3 +16,5 @@ leak:mct_callback
 leak:vsmw_newcluster
 #
 leak:smp_thread
+#
+leak:Lck_Witness_Lock