[glib] Don't do pointer arithmetics on void*

[Tor Lillqvist <tml src gnome org>]

commit 4c55b45162a3a76ca6c1d1c450ea667eeb7bae44
Author: Haakon Sporsheim <haakon sporsheim gmail com>
Date:   Thu Jan 7 10:12:13 2010 +0200

    Don't do pointer arithmetics on void*
    
    For instance MSVC doesn't like that.
    
    Signed-off-by: Tor Lillqvist <tml iki fi>

 gobject/gatomicarray.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gobject/gatomicarray.c b/gobject/gatomicarray.c
index a7b53a0..2c2a09c 100644
--- a/gobject/gatomicarray.c
+++ b/gobject/gatomicarray.c
@@ -77,7 +77,7 @@ freelist_alloc (gsize size, gboolean reuse)
 
   real_size = sizeof (gsize) + MAX (size, sizeof (FreeListNode));
   mem = g_slice_alloc (real_size);
-  mem += sizeof (gsize);
+  mem = ((char *) mem) + sizeof (gsize);
   G_ATOMIC_ARRAY_DATA_SIZE (mem) = size;
   return mem;
 }