Implement the missing pjsua_get_snd_dev() function

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@925 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/src/py_pjsua/py_pjsua.c b/pjsip-apps/src/py_pjsua/py_pjsua.c
index fda9658..9c14a31 100644
--- a/pjsip-apps/src/py_pjsua/py_pjsua.c
+++ b/pjsip-apps/src/py_pjsua/py_pjsua.c
@@ -8228,10 +8228,10 @@
         "enum_snd_devs", py_pjsua_enum_snd_devs, METH_VARARGS,
         pjsua_enum_snd_devs_doc
     },
-    /*{
+    {
         "get_snd_dev", py_pjsua_get_snd_dev, METH_VARARGS,
         pjsua_get_snd_dev_doc
-    },*/
+    },
     {
         "set_snd_dev", py_pjsua_set_snd_dev, METH_VARARGS,
         pjsua_set_snd_dev_doc