The samba-server package comes with a default configuration file, to be installed in /etc/samba/smb.conf, that was flagged in the package's spec file as a configuration file so as not to replace any existing /etc/samba/smb.conf file. rpm is saying that it put the package's default configuration file in /etc/samba/smb.conf.rpmnew and kept the existing configuration file, the one controlled by the SME Server's template system, as /etc/samba/smb.conf. This is exactly what you want.