[glib: 10/11] Fix signedness warning in gio/gdatainputstream.c:read_data()

[Philip Withnall <pwithnall src gnome org>]

commit 0c49122949a3772b5a13585140bc2685c3f6f073
Author: Emmanuel Fleury <emmanuel fleury gmail com>
Date:   Tue Nov 17 19:03:17 2020 +0100

    Fix signedness warning in gio/gdatainputstream.c:read_data()
    
    gio/gdatainputstream.c: In function ‘read_data’:
    gio/gdatainputstream.c:313:35: error: comparison of integer expressions of different signedness: ‘gssize’ 
{aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’}
      313 |   g_warn_if_fail (res == size);
          |                       ^~

 gio/gdatainputstream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gio/gdatainputstream.c b/gio/gdatainputstream.c
index 4440eb41f..676c6ae22 100644
--- a/gio/gdatainputstream.c
+++ b/gio/gdatainputstream.c
@@ -310,7 +310,7 @@ read_data (GDataInputStream  *stream,
   res = g_input_stream_read (G_INPUT_STREAM (stream),
                             buffer, size,
                             NULL, NULL);
-  g_warn_if_fail (res == size);
+  g_warn_if_fail (res >= 0 && (gsize) res == size);
   return TRUE;
 }