[glib] buffered-output-stream: Fix some access after free

[Stefan Walter <stefw src gnome org>]

commit 72171240cc1d3dfdee27ce460e88fca23308bdba
Author: Stef Walter <stefw gnome org>
Date:   Sun Nov 10 16:39:28 2013 +0100

    buffered-output-stream: Fix some access after free
    
    The memory pointed to by a GMemoryOutputStream can be realloc'd
    
    https://bugzilla.gnome.org/show_bug.cgi?id=711802

 gio/tests/buffered-output-stream.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gio/tests/buffered-output-stream.c b/gio/tests/buffered-output-stream.c
index 65dec81..f3aed92 100644
--- a/gio/tests/buffered-output-stream.c
+++ b/gio/tests/buffered-output-stream.c
@@ -270,6 +270,7 @@ test_truncate(void)
 
   g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, len);
   g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
+  stream_data = g_memory_output_stream_get_data (base_stream);
   g_assert_cmpint (stream_data[0], ==, 'a');
   g_assert_cmpint (stream_data[1], ==, 'b');
   g_assert_cmpint (stream_data[2], ==, 'c');
@@ -281,6 +282,7 @@ test_truncate(void)
   g_assert (res);
   g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 4);
   g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
+  stream_data = g_memory_output_stream_get_data (base_stream);
   g_assert_cmpint (stream_data[0], ==, 'a');
   g_assert_cmpint (stream_data[1], ==, 'b');
   g_assert_cmpint (stream_data[2], ==, 'c');
@@ -292,6 +294,7 @@ test_truncate(void)
   g_assert (res);
   g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 6);
   g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
+  stream_data = g_memory_output_stream_get_data (base_stream);
   g_assert_cmpint (stream_data[0], ==, 'a');
   g_assert_cmpint (stream_data[1], ==, 'b');
   g_assert_cmpint (stream_data[2], ==, 'c');
@@ -303,6 +306,7 @@ test_truncate(void)
   g_assert (res);
   g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 2);
   g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 2);
+  stream_data = g_memory_output_stream_get_data (base_stream);
   g_assert_cmpint (stream_data[0], ==, 'a');
   g_assert_cmpint (stream_data[1], ==, 'b');