patch 8.2.2461: Coverity warns for unchecked return value

Problem:    Coverity warns for unchecked return value.
Solution:   Add "(void)" to avoid the warning.
diff --git a/src/version.c b/src/version.c
index f6fbc8a..522eaa8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2461,
+/**/
     2460,
 /**/
     2459,