patch 8.0.0740: cannot resize a terminal window by the command

Problem:    Cannot resize a terminal window by the command running in it.
Solution:   Add support for the window size escape sequence.  Make BS work.
diff --git a/src/version.c b/src/version.c
index fc0f2da..399641b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    740,
+/**/
     739,
 /**/
     738,