Trivial bashification of 00dash/install

diff --git a/modules.d/00dash/install b/modules.d/00dash/install
index 0b344ca..a197573 100755 (executable)
--- a/modules.d/00dash/install
+++ b/modules.d/00dash/install
@@ -1,6 +1,6 @@
 #!/bin/bash
 # If another shell is already installed, do not use dash
-[ -x "${initdir}/bin/sh" ] && return
+[[ -x $initdir/bin/sh ]] && return
 
 # Prefer dash as /bin/sh if it is available.
 inst /bin/dash && ln -sf dash "${initdir}/bin/sh"