[gegl] bump babl requirement to 0.1.6

[Ãyvind KolÃs <ok src gnome org>]

commit 2c1be3ae51e3318fef06e90e67d50df22b48e0af
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Fri Nov 18 19:10:04 2011 +0000

    bump babl requirement to 0.1.6

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f558078..e162fca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ m4_define([gegl_stable],
 m4_define([gimp_full_name], [Generic Graphical Library])
 
 # required versions of external libraries
-m4_define([babl_required_version], [0.1.4])
+m4_define([babl_required_version], [0.1.6])
 m4_define([cairo_required_version], [0.0.0])
 m4_define([gdk_pixbuf_required_version], [2.18.0])
 m4_define([glib_required_version], [2.28.0])