patch 8.2.3949: using freed memory with /\%V

Problem:    Using freed memory with /\%V.
Solution:   Get the line again after getvvcol().
diff --git a/src/version.c b/src/version.c
index a362dca..9f5ed30 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3949,
+/**/
     3948,
 /**/
     3947,