MTP: Initial review feedback.
MTP: Initial review feedback.

Added error translation
Fixed some formatting
Removed use of C++ comment

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