[gegl] meson: bump babl dep to 0.1.78

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 9bd52c286d0204978089e10961ccc395d57c6448
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Jun 7 19:39:16 2020 +0200

    meson: bump babl dep to 0.1.78

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index c974cd650..f36e20ff5 100644
--- a/meson.build
+++ b/meson.build
@@ -156,7 +156,7 @@ math    = cc.find_library('m', required: false)
 libdl   = cc.find_library('dl', required : false)
 thread  = dependency('threads')
 
-babl      = dependency('babl',        version: '>=0.1.76')
+babl      = dependency('babl',        version: '>=0.1.78')
 glib      = dependency('glib-2.0',    version: '>=2.44.0')
 gobject   = dependency('gobject-2.0', version: '>=2.44.0')
 gmodule   = dependency('gmodule-2.0', version: '>=2.44.0')