Origin: commit:0430e51224ee618c733e4657ec94a2093793f59b
Author: Ray Strode <rstrode@redhat.com>
Subject: [terminal] Add OPOST to tty attributes

ONLCR apparently requires OPOST to work.

This should prevent weird "stair stepping"
effects when non-plymouth things try to
use the terminal.

Index: b/src/libply-splash-core/ply-terminal.c
===================================================================
--- a/src/libply-splash-core/ply-terminal.c
+++ b/src/libply-splash-core/ply-terminal.c
@@ -183,7 +183,7 @@
   term_attributes.c_iflag |= ICRNL;
 
   /* Make \n return go to the beginning of the next line */
-  term_attributes.c_oflag |= ONLCR;
+  term_attributes.c_oflag |= ONLCR | OPOST;
 
   if (tcsetattr (terminal->fd, TCSANOW, &term_attributes) != 0)
     return false;