Fixed text posts not passing streams correctly since previous change.

src/fetch/content.js

@@ -42,7 +42,7 @@ module.exports = function(posts, user) {
                     return Promise.resolve().then(() => {
                         return fs.ensureDir(path.dirname(filepath));
                     }).then(() => {
-                        return save(filepath, item.streams, item);
+                        return save(filepath, item.streams || item.stream, item);
                     }).then(sourcePaths => {
                         if(item.mux) {
                             return mux(filepath, sourcePaths, item);