Update JUSH

diff --git a/externals/jush b/externals/jush
index 275c9cc888608f36895e3926c16e8d2e2dab0a1c..a61f49b2d31dc297e68158c6ea654e603218a3bd 160000 (submodule)
--- a/externals/jush
+++ b/externals/jush
@@ -1 +1 @@
-Subproject commit 275c9cc888608f36895e3926c16e8d2e2dab0a1c
+Subproject commit a61f49b2d31dc297e68158c6ea654e603218a3bd