valgrind investigation : s3select contain 2 separate flows

Signed-off-by: galsalomon66 <gal.salomon@gmail.com>

diff --git a/src/s3select b/src/s3select
index 17afc76e3810053fd365c8ea15fa7ac11590d2e3..2991bc7842e1d2a3e47cc043474b377a46a90a6a 160000 (submodule)
--- a/src/s3select
+++ b/src/s3select
@@ -1 +1 @@
-Subproject commit 17afc76e3810053fd365c8ea15fa7ac11590d2e3
+Subproject commit 2991bc7842e1d2a3e47cc043474b377a46a90a6a