[pkg-fso-maint] Running depmod after installing the kernel

[Nikita V. Youshchenko]

> FYI, I just noticed on my NSLU2 that depmod is run in the kernel’s
> postinst, not during the build:
>
> Richte linux-image-2.6.26-2-ixp4xx ein (2.6.26-15lenny3) ...
> Running depmod.
> Finding valid ramdisk creators.
> Using mkinitramfs-kpkg to build the ramdisk.
> Running postinst hook script flash-kernel.

Since module dependency file should be modified when packages providing 
kernel modules are installed, that file can't be statically installed with 
the kernel package.

That's why depmod runs in postinst, both of kernel and of module-providing 
packages.

Nikita