getty: explain every bit in termios; remove redundant stuff in termios_final

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/console-tools/resize.c b/console-tools/resize.c
index fdfe2a6..ee0728b 100644
--- a/console-tools/resize.c
+++ b/console-tools/resize.c
@@ -53,6 +53,7 @@
 	 */
 	fprintf(stderr, ESC"7" ESC"[r" ESC"[999;999H" ESC"[6n");
 	alarm(3); /* Just in case terminal won't answer */
+//BUG: death by signal won't restore termios
 	scanf(ESC"[%hu;%huR", &w.ws_row, &w.ws_col);
 	fprintf(stderr, ESC"8");