[gimp] configure, meson, app: depend on gegl-0.4.18

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

commit f0077265b42b7d584e37e931d79fa5322bf351cb
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Oct 27 01:37:24 2019 +0200

    configure, meson, app: depend on gegl-0.4.18

 app/sanity.c | 2 +-
 configure.ac | 2 +-
 meson.build  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/app/sanity.c b/app/sanity.c
index 25d0778f98..d6f8919816 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 17
+#define GEGL_REQUIRED_MICRO 18
 
   gegl_get_version (&gegl_major_version,
                     &gegl_minor_version,
diff --git a/configure.ac b/configure.ac
index 0506a5e771..4838a63cc8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -56,7 +56,7 @@ 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], [17])
+m4_define([gegl_micro_version], [18])
 m4_define([gegl_required_version],
           [gegl_major_minor_version.gegl_micro_version])
 m4_define([gexiv2_required_version], [0.10.6])
diff --git a/meson.build b/meson.build
index 8a1109aaf8..b0433de6c5 100644
--- a/meson.build
+++ b/meson.build
@@ -327,7 +327,7 @@ freetype2         = dependency('freetype2',          version: '>=2.1.7')
 
 gdk_pixbuf        = dependency('gdk-pixbuf-2.0',     version: '>=2.30.8')
 
-gegl              = dependency('gegl-0.4',           version: '>=0.4.17')
+gegl              = dependency('gegl-0.4',           version: '>=0.4.18')
 
 gexiv2            = dependency('gexiv2',             version: '>=0.10.6')