safer quoting

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>

conf/type/__user/gencode-remote

@@ -55,7 +55,7 @@ if grep -q "^${name}:" "$__object/explorer/passwd"; then
       current_value="$(awk -F: '{ print $ENVIRON["field"] }' < "$file")"
 
       if [ "$new_value" != "$current_value" ]; then
-         set -- "$@" "--$property" \"$new_value\"
+         set -- "$@" "--$property" \'$new_value\'
       fi
    done
 
@@ -67,7 +67,7 @@ if grep -q "^${name}:" "$__object/explorer/passwd"; then
 else
    for property in $(ls .); do
       new_value="$(cat "$property")"
-      set -- "$@" "--$property" \"$new_value\"
+      set -- "$@" "--$property" \'$new_value\'
    done
 
    echo useradd "$@" "$name"