Don't barf if no info in m.file content

src/controllers/molecules/MFileTile.js

@@ -24,12 +24,14 @@ module.exports = {
         }
 
         var additionals = [];
+        if (content.info) {
             if (content.info.mimetype && content.info.mimetype.length > 0) {
                 additionals.push(content.info.mimetype);
             }
             if (content.info.size && content.info.size.length > 0) {
                 additionals.push(filesize(content.info.size));
             }
+        }
 
         if (additionals.length > 0) {
             linkText += ' (' + additionals.join(',') + ')';