comms/wammu is missing rundep devel/py-six

wammu is missing a dep on devel/py-six python2 flavor on start

Traceback (most recent call last):
File "/usr/local/bin/wammu", line 47, in <module>
import Wammu.Locales
File "/usr/local/lib/python2.7/site-packages/Wammu/Locales.py", line 31, in <module>
import six
ImportError: No module named six

following diff adds the missing dependency

Index: Makefile
===================================================================
RCS file: /home/reposync/ports/comms/wammu/Makefile,v
retrieving revision 1.12
diff -u -p -r1.12 Makefile
--- Makefile 21 May 2021 19:50:22 -0000 1.12
+++ Makefile 21 Sep 2021 12:05:39 -0000
@@ -4,7 +4,7 @@ COMMENT = Gnu All Mobile Management Uti

MODPY_EGG_VERSION = 0.44
DISTNAME = wammu-${MODPY_EGG_VERSION}
-REVISION = 3
+REVISION = 4

CATEGORIES = comms x11

@@ -23,6 +23,7 @@ MODPY_SETUPTOOLS = Yes

RUN_DEPENDS = comms/py-gammu \
devel/desktop-file-utils \
+ devel/py-six${MODPY_FLAVOR} \
x11/py-wxPython

NO_TEST = Yes