Fix comment format

Author: tiif

src/shims/unix/linux/eventfd.rs

@@ -168,16 +168,18 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         // Unset the flag that we support.
         // After unloading, flags != 0 means other flags are used.
         if flags & efd_cloexec == efd_cloexec {
-            // cloexec is ignored because Miri does not suport exec.
+            // cloexec is ignored because Miri does not support exec.
             flags &= !efd_cloexec;
         }
         if flags & efd_nonblock == efd_nonblock {
             flags &= !efd_nonblock;
             is_nonblock = true;
         }
         if flags != 0 {
-            throw_unsup_format!("eventfd: Flags other than EFD_CLOEXEC, EFD_NONBLOCK \
-            and EFD_SEMAPHORE is not supported.");
+            throw_unsup_format!(
+                "eventfd: Flags other than EFD_CLOEXEC, EFD_NONBLOCK \
+            and EFD_SEMAPHORE is not supported."
+            );
         }
 
         let fd = this.machine.fds.insert_fd(FileDescriptor::new(Event {