create_lh_list makes Mat_l vector shorter than LF

[brianstock]

Hi Merrill,

This is just a heads up, since I forked LIME awhile ago to make some changes specific to my application and haven't merged updates in the last year or so... Maybe you've fixed this. But if you haven't come across this potential error yet:

It's possible for create_lh_list to make a Mat_l vector that's shorter than the user-specified length-frequency data dimension. It uses 1.3*linf as the max length, and there's no check for what the user's max length in the LF data is. I stumbled across it when I kept everything (data, model, code) the same except with a lower linf and higher vbk... was surprised it wouldn't run.

Not urgent - I just changed my local create_lh_list to use 1.4*linf for now.