[Samba] static vs shared modules build

[Miguel Medalha]

> i would give the same device for *any* type of software since the 
> whole operating system including the kernel itself these days is built 
> with shared modules and you hardly gain anything measureable just 
> because one piece of your system is statically compiled
>
> when it's mostly interesting on very slow embedded devices where it 
> makes a small difference in startup time when a lower amount of files 
> needs to be loaded

Nevertheless, the default build of smbd produces almost twenty builtin 
modules, such as vfs_posixacl... Why would that be?