[gimp] configure.ac: require babl >= 0.1.38

[Michael Natterer <mitch src gnome org>]

commit a30f855981b283d6b3a98537383b6b5b08d6ddd4
Author: Michael Natterer <mitch gimp org>
Date:   Mon Nov 20 12:53:31 2017 +0100

    configure.ac: require babl >= 0.1.38

 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 93f8c77..d29e73b 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 36
+#define BABL_REQUIRED_MICRO 38
 
   babl_get_version (&babl_major_version,
                     &babl_minor_version,
diff --git a/configure.ac b/configure.ac
index 73e12cf..4b362ac 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], [0.1.36])
+m4_define([babl_required_version], [0.1.38])
 m4_define([gegl_required_version], [0.3.22])
 m4_define([glib_required_version], [2.40.0])
 m4_define([atk_required_version], [2.2.0])