patch 8.0.0973: initial info about blinking cursor is wrong

Problem:    initial info about blinking cursor is wrong
Solution:   Invert the blink flag.  Add t_VS to stop a blinking cursor.
diff --git a/src/version.c b/src/version.c
index cf72cb8..9316815 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    973,
+/**/
     972,
 /**/
     971,