patch 8.2.4472: Coverity warns for use of a freed function name

Problem:    Coverity warns for use of a freed function name.
Solution:   Only check an autoload name when is prefixed.
diff --git a/src/version.c b/src/version.c
index 1531a9c..e0384c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4472,
+/**/
     4471,
 /**/
     4470,