Michal Sojka db8dcfc433 Fix bounds error in hist recipe
When running hist([1,2,3], bs=2), the following error is produced:

ERROR: BoundsError: attempt to access 1-element Vector{Float64} at index [2]
Stacktrace:
 [1] getindex
   @ ./array.jl:801 [inlined]
 [2] hist(v::Vector{Int64}; range::Vector{Float64}, bs::Int64, nbins::Int64, pad::Bool)
   @ Gnuplot ~/.julia/dev/Gnuplot/src/Gnuplot.jl:1873
 [3] top-level scope
   @ REPL[25]:1
2021-09-06 16:53:40 +02:00
..
2021-09-06 16:53:40 +02:00