Update JUSH

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