[gnome-builder] terminal: enforce trailing \0

[Christian Hergert <chergert src gnome org>]

commit 6734c921a3e1f271127968f90ba153985bae5d1e
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 15 13:47:44 2017 -0700

    terminal: enforce trailing \0
    
    Be defensive even though ptsname_r() says we can trust trailing \0.

 plugins/terminal/gb-terminal-util.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/terminal/gb-terminal-util.c b/plugins/terminal/gb-terminal-util.c
index 303a897..4282fa7 100644
--- a/plugins/terminal/gb-terminal-util.c
+++ b/plugins/terminal/gb-terminal-util.c
@@ -50,6 +50,7 @@ gb_vte_pty_create_slave (VtePty *pty)
 #ifdef HAVE_PTSNAME_R
   if (ptsname_r (master_fd, name, sizeof name - 1) != 0)
     return -1;
+  name[sizeof name - 1] = '\0';
 #else
   if (NULL == (name = ptsname (master_fd)))
     return -1;