patch 7.4.1771
Problem:    Warning for unused variable.
Solution:   Add #ifdef. (John Marriott)
diff --git a/src/version.c b/src/version.c
index bb32541..725d774 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1771,
+/**/
     1770,
 /**/
     1769,