[l2h] calling latex2html with -dir . fails

[Daniel Gildea]

> With the patch applied, using "-rootdir ." displays an error:
> 
> $ latex2html -rootdir . l2htest.tex
> [...]
> Error (Make_directory_absolute): chdir "" failed: No such file or directory
>  at /usr/bin/latex2html line 1289.
> [...]

That should be fixed now in github.

> The output with and without "-rootdir ." differs a little although you
> write that it's the same as the default behavior.

That's true - the format of the links in the html is different.
But they should both work now, and they both make a subdir under the current
directory.

Dan