patch 7.4.1421v7.4.1421

Problem:    May free a channel when a callback may need to be invoked.
Solution:   Keep the channel when refcount is zero.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index 96b51b977..8dc4ad44d 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -4,6 +4,7 @@ int ch_log_active(void);
 void ch_log(channel_T *ch, char *msg);
 void ch_logs(channel_T *ch, char *msg, char *name);
 channel_T *add_channel(void);
+void channel_may_free(channel_T *channel);
 void channel_free(channel_T *channel);
 void channel_gui_register(channel_T *channel);
 void channel_gui_register_all(void);