Change 'int incoming' to 'bool incoming' in nwfilter code
Change 'int incoming' to 'bool incoming' in nwfilter code

Many methods in the nwfilter code have an 'int incoming' parameter
that only takes 0 or 1, so should use a bool instead.

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

zippy2/libvirt,nertpinx/libvirt,libvirt/libvirt,datto/libvirt,jfehlig/libvirt,jfehlig/libvirt,libvirt/libvirt,rlaager/libvirt,eskultety/libvirt,elmarco/libvirt,fabianfreyer/libvirt,libvirt/libvirt,VenkatDatta/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,crobinso/libvirt,shugaoye/libvirt,zippy2/libvirt,olafhering/libvirt,nertpinx/libvirt,zippy2/libvirt,eskultety/libvirt,shugaoye/libvirt,jfehlig/libvirt,rlaager/libvirt,crobinso/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,elmarco/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,taget/libvirt,taget/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,rlaager/libvirt,zippy2/libvirt,rlaager/libvirt,datto/libvirt,elmarco/libvirt,datto/libvirt,rlaager/libvirt,agx/libvirt,datto/libvirt,eskultety/libvirt,shugaoye/libvirt,olafhering/libvirt,crobinso/libvirt,agx/libvirt,crobinso/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,agx/libvirt,elmarco/libvirt,agx/libvirt,agx/libvirt,eskultety/libvirt,andreabolognani/libvirt,nertpinx/libvirt,shugaoye/libvirt,jardasgit/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,taget/libvirt,taget/libvirt,elmarco/libvirt,olafhering/libvirt,shugaoye/libvirt,eskultety/libvirt,taget/libvirt,fabianfreyer/libvirt,datto/libvirt,jardasgit/libvirt,nertpinx/libvirt