patch 8.2.3947: unnecessary check for NULL pointer

Problem:    Unnecessary check for NULL pointer.
Solution:   Remove the check. (closes #9434)
diff --git a/src/version.c b/src/version.c
index 25e40bf..56825f5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3947,
+/**/
     3946,
 /**/
     3945,