patch 8.1.0663: text property display wrong when 'number' is set

Problem:    Text property display wrong when 'number' is set. (Dominique
            Pelle)
Solution:   Compare with "vcol"  instead of "col".
diff --git a/src/version.c b/src/version.c
index c2869ce..4c5ee1b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -800,6 +800,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    663,
+/**/
     662,
 /**/
     661,