[gimp] configure.ac: require GEGL >= 0.4.13

[Ell <ell src gnome org>]

commit 43e3939d4a7ba8db0dade91bbba8b4659618ccd4
Author: Ell <ell_se yahoo com>
Date:   Sat Nov 10 16:23:56 2018 -0500

    configure.ac: require GEGL >= 0.4.13

 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 47125c04b8..d0c30ad2c9 100644
--- a/app/sanity.c
+++ b/app/sanity.c
@@ -518,7 +518,7 @@ sanity_check_gegl (void)
 
 #define GEGL_REQUIRED_MAJOR 0
 #define GEGL_REQUIRED_MINOR 4
-#define GEGL_REQUIRED_MICRO 12
+#define GEGL_REQUIRED_MICRO 13
 
   gegl_get_version (&gegl_major_version,
                     &gegl_minor_version,
diff --git a/configure.ac b/configure.ac
index 5474e774f2..b1d34edc9d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,7 +53,7 @@ m4_define([fontconfig_required_version], [2.12.4])
 m4_define([freetype2_required_version], [2.1.7])
 m4_define([gdk_pixbuf_required_version], [2.30.8])
 m4_define([gegl_major_minor_version], [0.4])
-m4_define([gegl_micro_version], [12])
+m4_define([gegl_micro_version], [13])
 m4_define([gegl_required_version],
           [gegl_major_minor_version.gegl_micro_version])
 m4_define([gexiv2_required_version], [0.10.6])