Fix status code for delete file callback
Fix status code for delete file callback

aleitner/libstorj-c,braydonf/libstorj-c,braydonf/libstorj,braydonf/libstorj,aleitner/libstorj-c,Storj/libstorj-c,braydonf/libstorj-c,Storj/libstorj-c