Fix from upstream git for:

Bug 24458406 - g_strerror caches and tries to reuse a pointer to a stack buffer

Included in later 2.48 release upstream.

From f87e002313d566dcce71a9aba040d22ddb5c1e80 Mon Sep 17 00:00:00 2001

From: Dan Winship <[email protected]>

Date: Mon, 16 Nov 2015 16:57:38 -0500

Subject: [PATCH] Fix g_strerror() on non-glibc

When using one of the codepaths that copies the error string into buf,

make sure the string gets strdup() afterward.

https://bugzilla.gnome.org/show_bug.cgi?id=758194

---

 glib/gstrfuncs.c | 2 ++

 1 file changed, 2 insertions(+)

diff --git a/glib/gstrfuncs.c b/glib/gstrfuncs.c

index b5a862b..975be0b 100644

--- a/glib/gstrfuncs.c

+++ b/glib/gstrfuncs.c

@@ -1293,6 +1293,8 @@ g_strerror (gint errnum)

           if (error)

             g_print ("%s\n", error->message);

         }

+      else if (msg == (const gchar *)buf)

+        msg = g_strdup (buf);

       g_hash_table_insert (errors, GINT_TO_POINTER (errnum), (char *) msg);

     }

-- 

2.7.4