tumbler: add dependency on xfce4-dev-tools-native

tumbler: add dependency on xfce4-dev-tools-native

* tumbler configure needs XDT_I18N macro provided by xfce4-dev-tools
  | tumbler-0.1.29/configure: line 13752: syntax error near unexpected token `$linguas'
  | tumbler-0.1.29/configure: line 13752: `XDT_I18N($linguas)'
  | Configure failed. The contents of all config.log files follows to aid debugging

(From meta-openembedded rev: 9594e010abd4de7a9734fe20dfc4deed47b7a5f1)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>