patch 7.4.2104
Problem:    Code duplication when unreferencing a function.
Solution:   De-duplicate.
diff --git a/src/version.c b/src/version.c
index 8902c9f..171aa9c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2104,
+/**/
     2103,
 /**/
     2102,