refactor: Import std::path::PathBuf

Imports `std::path::PathBuf` to avoid writing the full path in
multiple places.

Signed-off-by: Jonathan Woollett-Light <jcawl@amazon.co.uk>

Author: JonathanWoollett-Light

src/vmm/src/vmm_config/mod.rs

@@ -6,7 +6,7 @@ use std::convert::{From, TryInto};
 use std::fs::{File, OpenOptions};
 use std::io::{self, LineWriter};
 use std::os::unix::fs::OpenOptionsExt;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 use std::str::FromStr;
 use std::sync::Mutex;
 
@@ -267,7 +267,7 @@ impl FromStr for Level {
 #[serde(deny_unknown_fields)]
 pub struct LoggerConfig {
     /// Named pipe or file used as output for logs.
-    pub log_path: std::path::PathBuf,
+    pub log_path: PathBuf,
     /// The level of the Logger.
     pub level: Option<Level>,
     /// When enabled, the logger will append to the output the severity of the log entry.