python-dns: fix python-mini dependency to python

python-mini does not exist anymore
For now we'll just fix the build, and we'll do a bit more smart
packaging later.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python-dns/Makefile

@@ -26,7 +26,7 @@ define Package/python-dns
 	SUBMENU:=Python
 	TITLE:=dnspython
 	URL:=http://www.dnspython.org/
-	DEPENDS:=+python-mini
+	DEPENDS:=+python
 endef
 
 define Package/python-dns/description