XCOS: create INTEGRAL_f2 block with 2 inputs

[Huub van Niekerk]

> *lib_name:*
>   Scilab _*string*_. The variable name of the library to (re)create.
> *dir_name*:
> Scilab _*string*_. The name of the directory to look for .sci-files.
> 
> You may try
> 
> genlib("INTEGRAL_f2",
> "/opt/scilab-5.2.1/share/scilab/modules/scicos_blocks/macros/Linear")

Oops. Overlooked that detail. The INTEGRAL_f2.bin has been generated now, 
but when starting Scilab it gives error 4 at Linearlib: "undefined 
variable". And in the palette I don't see my new block. Is there more 
that I overlooked and/or more that I should do?

Thank you for helping out.