Squashed 'External/Lagrangian/' changes from 8c34050..44363c6

44363c6 Silences filthy warnings.

git-subtree-dir: External/Lagrangian
git-subtree-split: 44363c6b8e9b5002a79186065275226b3c67e301
Merge commit '561805aab7b5a8211eb5ded7b4647f2db1ff9e3c' into develop
Silences an Xcode 4.6 warning.