support: fix typo in mkusers

This patch fixes typos in the 'encode_password' function calls.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/mkusers

@@ -307,10 +307,10 @@ add_one_user() {
     esac
     case "${passwd}" in
         !=*)
-            _passwd='!'"$( encode_passwd "${passwd#!=}" )"
+            _passwd='!'"$( encode_password "${passwd#!=}" )"
             ;;
         =*)
-            _passwd="$( encode_passwd "${passwd#=}" )"
+            _passwd="$( encode_password "${passwd#=}" )"
             ;;
         *)
             _passwd="${passwd}"