patch 8.0.0753: no size reports to a job running in a terminal

Problem:    A job running in a terminal does not get notified of changes in
            the terminal size.
Solution:   Use ioctl() and SIGWINCH to report the terminal size.
diff --git a/src/version.c b/src/version.c
index 9ea3d81..724e7c3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    753,
+/**/
     752,
 /**/
     751,