Fix libnacl recipe missing libsodium

Author: KeyWeeUsr

pythonforandroid/recipes/libnacl/__init__.py

@@ -3,7 +3,7 @@
 class LibNaClRecipe(PythonRecipe):
     version = '1.4.4'
     url = 'https://github.com/saltstack/libnacl/archive/v{version}.tar.gz'
-    depends = ['hostpython2', 'setuptools']
+    depends = ['hostpython2', 'setuptools', 'libsodium']
     site_packages_name = 'libnacl'
     call_hostpython_via_targetpython = False