patch 8.0.0812: terminal window colors shift when 'number' is set

Problem:    Terminal window colors shift when 'number' is set. (Nazri Ramliy)
Solution:   Use vcol instead of col.

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    812,
 /**/
     811,
 /**/