patch 8.0.1722: cannot specify a minimal size for a terminal window

Problem:    Cannot specify a minimal size for a terminal window.
Solution:   Support the "rows*cols" format for 'winsize'.
diff --git a/src/version.c b/src/version.c
index 851f050..9989f9f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1722,
+/**/
     1721,
 /**/
     1720,