Initialize CWD on startup.

scsh/startup.scm

@@ -50,6 +50,7 @@
 				 (with-autoreaping
 				  (lambda ()
 				    (install-env)
+				    (initialize-cwd)
 				    (init-scsh-vars #f)	; Do it quietly.
 				    (start args))))))
 				  filename))

scsh/top.scm

@@ -240,7 +240,7 @@
 	    (with-autoreaping
 	     (lambda ()
 	       (install-env)
-
+	       (initialize-cwd)
 	 ;; Have to do these before calling DO-SWITCHES, because actions
 	 ;; performed while processing the switches may use these guys.
 	 (set-command-line-args!