Fix build on 1.37
@@ -225,7 +225,7 @@ impl App {
fn files(&self) -> Result<Vec<InputFile>> {
// verify equal length of file-names and input FILEs
match self.matches.values_of("file-name") {
- Some(filenames)
+ Some(ref filenames)
if self.matches.values_of_os("FILE").is_some()
&& filenames.len() != self.matches.values_of_os("FILE").unwrap().len() =>
{
