[RFA] Rename gdb/ChangeLog to gdb/ChangeLog-2021

[Joel Brobecker <brobecker@adacore.com>]

Hello,

Now that ChangeLog entries are no longer used for GDB patches,
this commit renames the file gdb/ChangeLog to gdb/ChangeLog-2021,
similar to what we would do in the context of the "Start of New
Year" procedure.

The purpose of this change is to avoid people merging ChangeLog
entries by mistake when applying existing commits that they are
currently working on.

OK to apply to master? (maybe a bit on the obvious side, but
this also allows us to make sure I am not missing something
in the commit message)

Thanks,
-- 
Joel
---
 gdb/{ChangeLog => ChangeLog-2021} | 0
 gdb/config/djgpp/fnchange.lst     | 1 +
 2 files changed, 1 insertion(+)
 rename gdb/{ChangeLog => ChangeLog-2021} (100%)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog-2021
similarity index 100%
rename from gdb/ChangeLog
rename to gdb/ChangeLog-2021
diff --git a/gdb/config/djgpp/fnchange.lst b/gdb/config/djgpp/fnchange.lst
index a71ae5c48a2..3e77bece2fc 100644
--- a/gdb/config/djgpp/fnchange.lst
+++ b/gdb/config/djgpp/fnchange.lst
@@ -119,6 +119,7 @@
 @V@/gdb/ChangeLog-2018 @V@/gdb/ChangeLog.018
 @V@/gdb/ChangeLog-2019 @V@/gdb/ChangeLog.019
 @V@/gdb/ChangeLog-2020 @V@/gdb/ChangeLog.020
+@V@/gdb/ChangeLog-2021 @V@/gdb/ChangeLog.021
 @V@/gdb/ChangeLog-3.x @V@/gdb/ChangeLog.3-x
 @V@/gdb/ada-exp.tab.c @V@/gdb/ada-exp_tab.c
 @V@/gdb/amd64-windows-nat.c @V@/gdb/a64w-nat.c
-- 
2.25.1