gnomevfs: add function S.G.V.Volume.volumeUnmount
gnomevfs: add function S.G.V.Volume.volumeUnmount

darcs-hash:20070929170420-21862-5fcd58f24a353ba128fd3997af1f003728373906.gz

thiagoarrais/gtk2hs,thiagoarrais/gtk2hs,thiagoarrais/gtk2hs