bindata example broken

[mzupan]

The bindata example is broken since the following commit

elazarl/go-bindata-assetfs@ed3050a#diff-0f54ed3f42051b1640ace89c556002fd

Error is as follows

Mikes-MBP:bindata mzupan$ go build && ./bindata
# _/Users/mzupan/contrib/static/example/bindata
./example.go:31: cannot use root (type string) as type func(string) (os.FileInfo, error) in field value
./example.go:31: too few values in struct initializer