emacs-27 2eb834e: Clear output data pointer on NS

[Robert Pluim]

branch: emacs-27
commit 2eb834ead401fa83270cad585a4310e2e05b8baa
Author: Pip Cet <address@hidden>
Commit: Robert Pluim <address@hidden>

    Clear output data pointer on NS
    
    * src/nsterm.m (ns_free_frame_resources): Clear the output data
    pointer to prevent attempting to reuse freed resources (Bug#38748).
---
 src/nsterm.m | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/nsterm.m b/src/nsterm.m
index 03754e5..c1d1d41 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1644,6 +1644,7 @@ ns_free_frame_resources (struct frame *f)
   [view release];
 
   xfree (f->output_data.ns);
+  f->output_data.ns = NULL;
 
   unblock_input ();
 }