configure: fix typo in nss error message
configure: fix typo in nss error message

This error message refers to the lack of network, not to yajl.

Signed-off-by: Pino Toscano <7f561d60bf2df812acf624afe597ba9d84c2586d@redhat.com>

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