[gegl] gegl: fix typo in a translatable string

[Piotr Drąg <piotrdrag src gnome org>]

commit 85ff0f6dcd2406e8b1840f0896106e4b2dda671d
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Dec 3 19:01:30 2017 +0100

    gegl: fix typo in a translatable string

 gegl/gegl-serialize.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gegl/gegl-serialize.c b/gegl/gegl-serialize.c
index 6e05baf..ce79fe7 100644
--- a/gegl/gegl-serialize.c
+++ b/gegl/gegl-serialize.c
@@ -506,7 +506,7 @@ gegl_create_chain_argv (char      **ops,
                         else if (error)
                           {
                             char *error_str = g_strdup_printf (
-                                  _("BablFormat \"%s\" doest not exist."),
+                                  _("BablFormat \"%s\" does not exist."),
                                   value);
                             *error = g_error_new_literal (
                                         g_quark_from_static_string ( "gegl"),