[Lazarus] Graphics32 carbon

[CA Gorski]

> Sure you use the port, I commited in the official repository and it
> was merged with the previous sources.
>    
Ok, sorry. Didn't know that! ;)

The compiler switch -Cg- solved the PIC problem.

But with GR32 I get randomly can't find unit errors, which disappear 
after compiling or installing or even rebuilding Lazarus again. Mostly 
is it GR32_Blend but sometimes also others.