s3select change of to_string, to get better view on to_string

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

diff --git a/src/s3select b/src/s3select
index 450a7991a6e2445a47b97586ed73a59ee5ebe7f3..189759ce9e9eeea7bc513e3e7c745ca09c594bc4 160000 (submodule)
--- a/src/s3select
+++ b/src/s3select
@@ -1 +1 @@
-Subproject commit 450a7991a6e2445a47b97586ed73a59ee5ebe7f3
+Subproject commit 189759ce9e9eeea7bc513e3e7c745ca09c594bc4