fix permalink's URIs for cases with a base URI
fix permalink's URIs for cases with a base URI

Humbedooh/ponymail,Humbedooh/ponymail,quenda/ponymail,jimjag/ponymail,rbowen/ponymail,rbowen/ponymail,Humbedooh/ponymail,rbowen/ponymail,quenda/ponymail,jimjag/ponymail,jimjag/ponymail,jimjag/ponymail,quenda/ponymail