Update JUSH

diff --git a/externals/jush b/externals/jush
index 2fc17d563d5601e993cee5d928389b5671a8a9ca..b61d89158b8f75ed2171a50b5242a6e217f3aa3c 160000 (submodule)
--- a/externals/jush
+++ b/externals/jush
@@ -1 +1 @@
-Subproject commit 2fc17d563d5601e993cee5d928389b5671a8a9ca
+Subproject commit b61d89158b8f75ed2171a50b5242a6e217f3aa3c