fix for ubuntu and debian

Author: serghey-rodin

bin/v-change-user-package

@@ -136,8 +136,9 @@ fi
 change_user_package
 
 # Update user shell
-shell_path=$(/usr/bin/chsh --list-shells | grep -w "$SHELL" |head -n1)
-/usr/bin/chsh -s "$shell_path" "$user" &>/dev/null
+shell_conf=$(echo "$pkg_data" | grep 'SHELL' | cut -f 2 -d \')
+shell=$(grep -w "$shell_conf" /etc/shells |head -n1)
+/usr/bin/chsh -s "$shell" "$user" &>/dev/null
 
 # Run template trigger
 if [ -x "$VESTA/data/packages/$package.sh" ]; then