[gimp] configure/app: depend on babl 0.1.54

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

commit 5fdcc0dfbb83a2426992a7fe01ff87e2cd29654b
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jul 23 04:44:58 2018 +0200

    configure/app: depend on babl 0.1.54

 app/sanity.c | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/sanity.c b/app/sanity.c
index 16ab1d759c..ad350e5348 100644
--- a/app/sanity.c
+++ b/app/sanity.c
@@ -480,7 +480,7 @@ sanity_check_babl (void)
 
 #define BABL_REQUIRED_MAJOR 0
 #define BABL_REQUIRED_MINOR 1
-#define BABL_REQUIRED_MICRO 52
+#define BABL_REQUIRED_MICRO 54
 
   babl_get_version (&babl_major_version,
                     &babl_minor_version,
diff --git a/configure.ac b/configure.ac
index 665539f0ce..2a7d700c38 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,7 +43,7 @@ m4_define([gimp_stable],
 m4_define([gimp_full_name], [GNU Image Manipulation Program])
 
 # required versions of other packages
-m4_define([babl_required_version], [0.1.52])
+m4_define([babl_required_version], [0.1.54])
 m4_define([gegl_major_minor_version], [0.4])
 m4_define([gegl_micro_version], [5])
 m4_define([gegl_required_version],