[glib] goutputstream: Report input stream read failure correctly

[Alexander Larsson <alexl src gnome org>]

commit 16e0a5a886c60a648e74afd12c0cbeeb58d6d522
Author: John Hiesey <john hiesey com>
Date:   Wed Oct 7 17:34:17 2015 -0700

    goutputstream: Report input stream read failure correctly
    
    When G_OUTPUT_STREAM_CLOSE_TARGET is set,
    g_output_stream_real_splice was not returning -1 in any error
    cases, since the success flag was being overwritten.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756255

 gio/goutputstream.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gio/goutputstream.c b/gio/goutputstream.c
index 035465d..1816e8d 100644
--- a/gio/goutputstream.c
+++ b/gio/goutputstream.c
@@ -605,7 +605,8 @@ g_output_stream_real_splice (GOutputStream             *stream,
   if (flags & G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET)
     {
       /* But write errors on close are bad! */
-      res = g_output_stream_internal_close (stream, cancellable, error);
+      if (!g_output_stream_internal_close (stream, cancellable, error))
+        res = FALSE;
     }
 
   if (res)