gdb: move struct ui and related things to ui.{c,h}

I'd like to move some things so they become methods on struct ui.  But
first, I think that struct ui and the related things are big enough to
deserve their own file, instead of being scattered through top.{c,h} and
event-top.c.

Change-Id: I15594269ace61fd76ef80a7b58f51ff3ab6979bc

1 files changed, 1 insertions, 0 deletions

diff --git a/gdb/main.c b/gdb/main.c
index 9fb6dce..5c23714 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -19,6 +19,7 @@
 
 #include "defs.h"
 #include "top.h"
+#include "ui.h"
 #include "target.h"
 #include "inferior.h"
 #include "symfile.h"