patch 8.2.4379: an empty change is reported to a listener

Problem:    An empty change is reported to a listener.
Solution:   Do not report an empty change. (closes #9768)  Remove unused
            return value.
diff --git a/src/version.c b/src/version.c
index 4b2ac38..22f0a5a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4379,
+/**/
     4378,
 /**/
     4377,