[PATCH evolve-ext-V2] evolve: Fix crash when reading docstring

[Pierre-Yves David]

On 03/17/2016 05:10 PM, Juntao Li wrote:
> # HG changeset patch
> # User Juntao Li <juntaoli at fb.com>
> # Date 1458259431 25200
> #      Thu Mar 17 17:03:51 2016 -0700
> # Node ID e6922c0ce4e73df496f098a947f74580e5aa6bcd
> # Parent  081605c2e9b6bb4d917295aae06b8428f64d0df1
> evolve: Fix crash when reading docstring

Pushed to evolve-main, thanks.

-- 
Pierre-Yves David