[gnome-builder] build: explicitly link against enchant

[Christian Hergert <chergert src gnome org>]

commit e67c00433aac3cce63e680f052835111456d1a10
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 22 14:09:40 2017 -0700

    build: explicitly link against enchant
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780420

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 74935a0..fd6a2bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -206,6 +206,7 @@ m4_define([pangoft2_required_version], [1.38.0])
 m4_define([peas_required_version], [1.18.0])
 m4_define([json_glib_required_version], [1.2.0])
 m4_define([gspell_required_version], [1.2.0])
+m4_define([enchant_required_version], [1.6.0])
 
 PKG_CHECK_MODULES(EGG,      [glib-2.0 >= glib_required_version
                              gmodule-2.0 >= glib_required_version
@@ -224,6 +225,7 @@ PKG_CHECK_MODULES(LIBIDE,   [gio-2.0 >= glib_required_version
                              gtk+-3.0 >= gtk_required_version
                              gtksourceview-3.0 >= gtksourceview_required_version
                              gspell-1 >= gspell_required_version
+                             enchant >= enchant_required_version
                              json-glib-1.0 >= json_glib_required_version
                              libpeas-1.0 >= peas_required_version
                              libxml-2.0 >= libxml_required_version