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)

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    994,
 /**/
     993,
 /**/