subversion package errors

[Christopher Faylor]

upset: *** setup.ini: warning - package subversion requires non-existent 
package libserf1_0
upset: *** setup.ini: warning - package subversion-devel requires non-existent 
package libserf1-devel
upset: *** setup.ini: warning - package subversion-tools refers to non-existent 
external-source: subversion