nwfilter: remove pointless assignment
nwfilter: remove pointless assignment

Changing a parameter passed by value has no effect.

Introduced by <commit 3f74b2eb>.

Signed-off-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

nertpinx/libvirt,eskultety/libvirt,olafhering/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jardasgit/libvirt,olafhering/libvirt,olafhering/libvirt,zippy2/libvirt,jfehlig/libvirt,andreabolognani/libvirt,zippy2/libvirt,olafhering/libvirt,eskultety/libvirt,libvirt/libvirt,jfehlig/libvirt,jardasgit/libvirt,crobinso/libvirt,libvirt/libvirt,zippy2/libvirt,crobinso/libvirt,crobinso/libvirt,libvirt/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,jardasgit/libvirt,nertpinx/libvirt,jardasgit/libvirt,zippy2/libvirt,eskultety/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,nertpinx/libvirt,crobinso/libvirt,andreabolognani/libvirt,eskultety/libvirt,libvirt/libvirt,jfehlig/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,eskultety/libvirt