patch 8.2.3612: using freed memory with regexp using a mark

Problem:    Using freed memory with regexp using a mark.
Solution:   Get the line again after getting the mark position.
diff --git a/src/version.c b/src/version.c
index 4251b03..197f019 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3612,
+/**/
     3611,
 /**/
     3610,