Fix onion image control

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/commits/_image.html.haml

@@ -49,7 +49,7 @@
           %img{src: "data:#{old_file.mime_type};base64,#{Base64.encode64(old_file.data)}"}
         .frame.added
           %img{src: "data:#{file.mime_type};base64,#{Base64.encode64(file.data)}"}
-        .col-sm-10
+        .controls
           .transparent
           .drag-track
             .dragger{:style => "left: 0px;"}