[glib] Updated reference to README.commits

[Colin Walters <walters src gnome org>]

commit b2c15f18b2f35d2363922469e3497e5a10459e52
Author: Ihar Hrachyshka <Ihar_Hrachyshka epam com>
Date:   Sat Oct 12 16:43:16 2013 +0400

    Updated reference to README.commits
    
    The major useful information regarding commits is now placed in
    README.commits, not README.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=709994

 HACKING |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/HACKING b/HACKING
index a1f613a..20dc743 100644
--- a/HACKING
+++ b/HACKING
@@ -33,4 +33,4 @@ Note that autogen.sh runs configure for you.  If you wish to pass
 options like --prefix=/usr to configure you can give those options
 to autogen.sh and they will be passed on to configure.
 
-For information about submitting patches see the README file.
+For information about submitting patches see the README.commits file.