[babl] Fix library name

[Øyvind Kolås <ok src gnome org>]

commit 2cc6b93a2b671201528872dca4d21c08a3634f0f
Author: Félix Piédallu <felix piedallu me>
Date:   Thu Dec 14 15:52:47 2017 +0100

    Fix library name

 babl/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/babl/meson.build b/babl/meson.build
index c335d63..a46a7f5 100644
--- a/babl/meson.build
+++ b/babl/meson.build
@@ -78,7 +78,7 @@ install_headers(babl_headers,
   subdir: join_paths(lib_name, 'babl')
 )
 
-babl = library('babl',
+babl = library(lib_name,
   babl_sources,
   include_directories: [ rootInclude, bablBaseInclude],
   c_args:   [ '-DLIBDIR="' + get_option('libdir') + '"', ],