[gvfs] cdda: Prevent warnings from unused code

[Ondrej Holy <oholy src gnome org>]

commit 93cbf765aac5b785e252b3e71b08af312a385073
Author: Ondrej Holy <oholy redhat com>
Date:   Thu May 10 12:02:55 2018 +0200

    cdda: Prevent warnings from unused code
    
    Prevent the following false positive warnings by simply commenting
    unused code out:
    warning: ‘strncpy’ destination unchanged after copying no bytes
    [-Wstringop-truncation]

 daemon/gvfsbackendcdda.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/daemon/gvfsbackendcdda.c b/daemon/gvfsbackendcdda.c
index 5660368..7c7daaa 100644
--- a/daemon/gvfsbackendcdda.c
+++ b/daemon/gvfsbackendcdda.c
@@ -551,6 +551,7 @@ create_header (GVfsBackendCdda *cdda_backend, long *header_size, long content_si
   memcpy (ptr, &var, 4); ptr += 4;
   memcpy (ptr, "INFO", 4); ptr += 4;
 
+#if 0
   if (artist != NULL)
     {
       memcpy (ptr, "IART", 4);
@@ -568,6 +569,7 @@ create_header (GVfsBackendCdda *cdda_backend, long *header_size, long content_si
       strncpy (ptr + 8, title, title_len); 
       ptr += title_len;
     }
+#endif
 
   memcpy (ptr, "ISFT", 4);
   var = software_len - 8;