Update quitcd snippet for 'fish'

misc/quitcd/quitcd.fish

@@ -3,11 +3,11 @@
 # or, add the lines to the 'config.fish' file.
 
 function n --description 'support nnn quit and change directory'
-    nnn $argv
-
     # NOTE: set NNN_TMPFILE correctly if you use 'XDG_CONFIG_HOME'
     set NNN_TMPFILE ~/.config/nnn/.lastd
 
+    nnn $argv
+
     if test -e $NNN_TMPFILE
             source $NNN_TMPFILE
             rm $NNN_TMPFILE