remote: Fix usage of ATTRIBUTE_FALLTHROUGH
remote: Fix usage of ATTRIBUTE_FALLTHROUGH

Move to within the #if since the #else portion ends with a goto
and that raised concern by Coverity.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

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