[gtksourceview] Don't use g_slice_set_config() (deprecated)

[SÃbastien Wilmet <swilmet src gnome org>]

commit 093063732ce67cde39731357c7c9d13dc1ffab45
Author: SÃbastien Wilmet <swilmet gnome org>
Date:   Mon Dec 17 17:12:01 2012 +0100

    Don't use g_slice_set_config() (deprecated)
    
    With a certain environment variable in GLib it is possible to have the
    same behavior I think (always malloc).
    
    g_slice_set_config() should have never been made public:
    http://git.gnome.org/browse/glib/commit/?id=a74749d354a9d5458f664eb67691901e13bfe738

 tests/test-widget.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-widget.c b/tests/test-widget.c
index e57d093..965e783 100644
--- a/tests/test-widget.c
+++ b/tests/test-widget.c
@@ -1618,7 +1618,6 @@ init_mem_stuff (void)
 		};
 
 		g_mem_set_vtable (&mem_table);
-		g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, TRUE);
 	}
 }