[gnome-builder] transfers: fix uninitialized variable

[Christian Hergert <chergert src gnome org>]

commit 425a25ef6467e413114da696e460f7b305d76dfd
Author: Christian Hergert <chergert redhat com>
Date:   Sat Aug 27 22:12:00 2016 -0700

    transfers: fix uninitialized variable

 libide/transfers/ide-transfers-button.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/transfers/ide-transfers-button.c b/libide/transfers/ide-transfers-button.c
index 347f5a7..ef900c5 100644
--- a/libide/transfers/ide-transfers-button.c
+++ b/libide/transfers/ide-transfers-button.c
@@ -163,7 +163,7 @@ ide_transfers_button_update_visibility (IdeTransfersButton *self)
 {
   IdeTransferManager *transfer_manager;
   IdeContext *context;
-  gboolean visible;
+  gboolean visible = FALSE;
 
   IDE_ENTRY;