fix overflow lines

overflow lines caused style build failure

src/unix/notbsd/linux/mod.rs

@@ -810,8 +810,10 @@ extern {
                   buf: *mut ::shmid_ds) -> ::c_int;
     pub fn ftok(pathname: *const ::c_char, proj_id: ::c_int) -> ::key_t;
     pub fn semget(key: ::key_t, nsems: ::c_int, semflag: ::c_int) -> ::c_int;
-    pub fn semop(semid: ::c_int, sops: *mut ::sembuf, nsops: ::size_t) -> ::c_int;
-    pub fn semctl(semid: ::c_int, semnum: ::c_int, cmd: ::c_int, ...) -> ::c_int;
+    pub fn semop(semid: ::c_int,
+                 sops: *mut ::sembuf, nsops: ::size_t) -> ::c_int;
+    pub fn semctl(semid: ::c_int,
+                  semnum: ::c_int, cmd: ::c_int, ...) -> ::c_int;
     pub fn msgctl(msqid: ::c_int, cmd: ::c_int, buf: *mut msqid_ds) -> ::c_int;
     pub fn msgget(key: ::key_t, msgflg: ::c_int) -> ::c_int;
     pub fn msgrcv(msqid: ::c_int, msgp: *mut ::c_void, msgsz: ::size_t,