Clean header includes

src/view/UsersDialog.cpp

@@ -17,6 +17,11 @@
   along with KissCount.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <wx/choice.h>
+#include <wx/textctrl.h>
+#include <wx/textdlg.h>
+#include <wx/gbsizer.h>
+
 #include "UsersDialog.h"
 
 enum {TEXT_PASSWORD_ID=1, BUTTON_OK_ID, BUTTON_CANCEL_ID, BUTTON_NEW_USER_ID};