patch 7.4.2181
Problem:    Compiler warning for unused variable.
Solution:   Remove it. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index 044546b..21f6932 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2181,
+/**/
     2180,
 /**/
     2179,