gdb: fix copyright year in svr4-tls-tdep.c

Change-Id: Ia03b286d9544a209197e58e59e752dc3d2715359
diff --git a/gdb/svr4-tls-tdep.c b/gdb/svr4-tls-tdep.c
index 75d06a4..1f36d57 100644
--- a/gdb/svr4-tls-tdep.c
+++ b/gdb/svr4-tls-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux, architecture independent.
 
-   Copyright (C) 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2009-2025 Free Software Foundation, Inc.
 
    This file is part of GDB.