[hackers] [scroll] remove dead code || Jan Klemkow

[git]

commit f1e7a78ba26a8c12f92afe9434f1e8744e08e378
Author:     Jan Klemkow <j.klem...@wemelug.de>
AuthorDate: Sat Apr 11 21:14:29 2020 +0200
Commit:     Jan Klemkow <j.klem...@wemelug.de>
CommitDate: Sat Apr 11 22:28:54 2020 +0200

    remove dead code
    
    it seems we don't need non-blocking i/o.

diff --git a/scroll.c b/scroll.c
index bea53a9..aec6496 100644
--- a/scroll.c
+++ b/scroll.c
@@ -441,12 +441,6 @@ main(int argc, char *argv[])
        if (signal(SIGWINCH, sigwinch) == SIG_ERR)
                die("signal:");
 
-       int f;
-       if ((f = fcntl(mfd, F_GETFL)) == -1)
-               die("fcntl:");
-       if (fcntl(mfd, F_SETFL, f /*| O_NONBLOCK*/) == -1)
-               die("fcntl:");
-
        struct termios new = dfl;
        cfmakeraw(&new);
        new.c_cc[VMIN ] = 1;