[gdk-pixbuf] docs: Update the licensing section of the README

[Emmanuele Bassi <ebassi src gnome org>]

commit 2ea25846930cb970488d3a1bc47a8289695cf149
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu May 24 17:55:31 2018 +0100

    docs: Update the licensing section of the README
    
    The aggregate license is LGPL v2.1+.

 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README.md b/README.md
index b1e58189c..484dfc28d 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,6 @@ check the current build configuration, and change its options.
 
 ## License
 
-GdkPixbuf is released under the terms of the GNU Library General Public
-License version 2, or, at your option, any later version. See the
+GdkPixbuf is released under the terms of the GNU Lesser General Public
+License version 2.1, or, at your option, any later version. See the
 [COPYING](./COPYING) file for further details.