patch 8.2.3082: a channel command "echoerr" does not show anything

Problem:    A channel command "echoerr" does not show anything.
Solution:   Do not use silent errors when using an "echoerr" command.
            (closes #8494)
diff --git a/src/version.c b/src/version.c
index e3bdede..532e747 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3082,
+/**/
     3081,
 /**/
     3080,