package/python-dialog3: switch to setuptools

The package switched to setuptools (see commit:
https://github.com/frougon/pythondialog/commit/88a3f0b45e81aaecf3a85bcf8b8d8ce907fbe29d)

Signed-off-by: Asaf Kahlon <asafka7@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-dialog3/python-dialog3.mk

@@ -9,7 +9,7 @@ PYTHON_DIALOG3_SOURCE = pythondialog-$(PYTHON_DIALOG3_VERSION).tar.gz
 PYTHON_DIALOG3_SITE = https://files.pythonhosted.org/packages/72/3c/26ed0db035f97196704d0197d8b2254b8a6ca93a2d132430b0b0d597aa79
 PYTHON_DIALOG3_LICENSE = LGPL-2.1+
 PYTHON_DIALOG3_LICENSE_FILES = COPYING
-PYTHON_DIALOG3_SETUP_TYPE = distutils
+PYTHON_DIALOG3_SETUP_TYPE = setuptools
 PYTHON_DIALOG3_DEPENDENCIES = dialog
 
 $(eval $(python-package))