Fix stringv transfer over dbus
Fix stringv transfer over dbus

The wrong iterator passed in caused some items to be silently dropped
plus it led to string dup of wrong pointer.

See bug 614544 for reference.

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