[cogl] gitignore: Only ignore the README file at the root of the repository

[Damien Lespiau <dlespiau src gnome org>]

commit e97a1bb33a10dc4ea8a23a30cd5e78391439c84f
Author: Damien Lespiau <damien lespiau intel com>
Date:   Wed Sep 12 23:32:46 2012 +0100

    gitignore: Only ignore the README file at the root of the repository
    
    We should be able to modify/add README files else where in the tree and
    see them with git status, eg build/mingw/README.
    
    Reviewed-by: Neil Roberts <neil linux intel com>

 .gitignore |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 1e22773..7e327ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,7 @@ compile
 *.la
 *.gcov
 *.exe
-README
+/README
 stamp-enum-types
 stamp-marshal
 /build/autotools/*.m4