master e0268fd7d5: Fix leak when refs are sent to a frame during destruction on Haiku

[Po Lu]

branch: master
commit e0268fd7d54bb691da1d68fafa3707ec6417a3d2
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix leak when refs are sent to a frame during destruction on Haiku
    
    * src/haikuterm.c (haiku_read_socket): Free b->ref if it was
    sent from a frame that was destroyed.
---
 src/haikuterm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/haikuterm.c b/src/haikuterm.c
index 47199c139c..3e99cc1c8d 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -3235,7 +3235,10 @@ haiku_read_socket (struct terminal *terminal, struct 
input_event *hold_quit)
            struct frame *f = haiku_window_to_frame (b->window);
 
            if (!f)
-             continue;
+             {
+               free (b->ref);
+               continue;
+             }
 
            inev.kind = DRAG_N_DROP_EVENT;
            inev.arg = build_string_from_utf8 (b->ref);