Add missing PR number in ChangeLog

This should have been included in the previous commit.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 73106bf0c034968aaba88fdb1a0799b52aa5f168..926c96656e17ba25de172f989f41292dff19e76a 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,6 @@
 2017-08-28  Simon Marchi  <simon.marchi@ericsson.com>
 
+       PR gdb/21827
        * cli/cli-script.c (define_command): Don't convert command name
        to lower case.