Fix typo: s/volue/volume/g
Fix typo: s/volue/volume/g

Original git commit by Hans Petter Jansson <hpj@kzerza.amok> at 1178748948 -0500

svn path=/trunk/; revision=539

cpatulea/gvfs,philipl/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,xkahn/gvfs-cmis,philipl/gvfs,halfline/gvfs,gicmo/gvfs,philipl/gvfs,gicmo/gvfs,halfline/gvfs,xkahn/gvfs-cmis,gicmo/gvfs,thiblahute/gvfs,gicmo/gvfs,halfline/gvfs,cpatulea/gvfs,thiblahute/gvfs