patch 8.2.4417: using NULL pointer

Problem:    Using NULL pointer.
Solution:   Set offset after checking for NULL pointer.
diff --git a/src/version.c b/src/version.c
index c996812..f95b395 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4417,
+/**/
     4416,
 /**/
     4415,