[Julia 1.0] Segfault on loading DataFrame

[getzze]

trafficstars

Same problem as https://github.com/JuliaIO/JLD2.jl/issues/101, fixed with https://github.com/JuliaIO/JLD2.jl/pull/106

Steps to reproduce:

using FileIO, DataFrames
df = DataFrame(rand(10,5));

save("dftest.jld", "df", df)
load("dftest.jld", "df")
>>> signal (11): Segmentation fault