patch 8.0.0994: MS-Windows: cursor in terminal blinks undesirably

Problem:    MS-Windows: cursor in terminal blinks even though the blinking
            cursor was disabled on the system.
Solution:   Use GetCaretBlinkTime(). (Ken Takata)
diff --git a/src/version.c b/src/version.c
index e54b7bc..3180539 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    994,
+/**/
     993,
 /**/
     992,