[PendingFile] Remove default constructor, METATYPE declaration
A pending file without path is not well-formed, so remove the default constructor. Its only use apparently is the METATYPE requirement, which fortunately is not used.
A pending file without path is not well-formed, so remove the default constructor. Its only use apparently is the METATYPE requirement, which fortunately is not used.
mentioned in commit 4c42bb9c