fixup to Clippy cleanup: mismatched_lifetime_syntaxes

Author: asomers

src/mqueue.rs

@@ -315,7 +315,7 @@ pub fn mq_remove_nonblock(mqd: &MqdT) -> Result<MqAttr> {
 #[cfg(any(target_os = "linux", target_os = "netbsd", target_os = "dragonfly"))]
 impl AsFd for MqdT {
     /// Borrow the underlying message queue descriptor.
-    fn as_fd(&self) -> BorrowedFd {
+    fn as_fd(&self) -> BorrowedFd<'_> {
         // SAFETY: [MqdT] will only contain a valid fd by construction.
         unsafe { BorrowedFd::borrow_raw(self.0) }
     }

src/sys/fanotify.rs

@@ -229,7 +229,7 @@ impl FanotifyEvent {
     /// The file descriptor of the event. If the value is `None` when reading
     /// from the fanotify group, this event is to notify that a group queue
     /// overflow occured.
-    pub fn fd(&self) -> Option<BorrowedFd> {
+    pub fn fd(&self) -> Option<BorrowedFd<'_>> {
         if self.0.fd == libc::FAN_NOFD {
             None
         } else {
@@ -443,4 +443,4 @@ impl Fanotify {
             fd
         }
     }
-}
+}

src/sys/signalfd.rs

@@ -146,7 +146,7 @@ impl SignalFd {
 }
 
 impl AsFd for SignalFd {
-    fn as_fd(&self) -> BorrowedFd {
+    fn as_fd(&self) -> BorrowedFd<'_> {
         self.0.as_fd()
     }
 }