Merge pull request #268 from fox0/clippy--useless_conversion

Fix clippy::useless_conversion

Author: jgarzik

text/diff.rs

@@ -137,12 +137,7 @@ fn check_difference(args: Args) -> io::Result<DiffExitStatus> {
     if path1_is_file && path2_is_file {
         return FileDiff::file_diff(path1, path2, &format_options, None);
     } else if !path1_is_file && !path2_is_file {
-        return DirDiff::dir_diff(
-            PathBuf::from(path1),
-            PathBuf::from(path2),
-            &format_options,
-            args.recurse,
-        );
+        return DirDiff::dir_diff(path1, path2, &format_options, args.recurse);
     } else {
         return FileDiff::file_dir_diff(path1, path2, &format_options);
     }

text/diff_util/dir_diff.rs

@@ -34,8 +34,8 @@ impl<'a> DirDiff<'a> {
         format_options: &FormatOptions,
         recursive: bool,
     ) -> io::Result<DiffExitStatus> {
-        let mut dir1: DirData = DirData::load(PathBuf::from(path1))?;
-        let mut dir2: DirData = DirData::load(PathBuf::from(path2))?;
+        let mut dir1: DirData = DirData::load(path1)?;
+        let mut dir2: DirData = DirData::load(path2)?;
 
         let mut dir_diff = DirDiff::new(&mut dir1, &mut dir2, &format_options, recursive);
         return dir_diff.analyze();