[recipes] Generate enums for unit types

[Matthias Clasen <matthiasc src gnome org>]

commit d13b391d41a616753a5884f60b94e94c69ad9481
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Nov 11 16:52:10 2017 -0500

    Generate enums for unit types
    
    These will be needed for properties in the future.

 src/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index 9368516..48ea1c8 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -29,7 +29,7 @@ resources = gnome.compile_resources('resources',
                                     source_dir: 'src')
 
 enums += gnome.mkenums('types',
-                       sources: 'gr-diet.h',
+                       sources: [ 'gr-diet.h', 'gr-unit.h' ],
                        c_template: 'types.c.template',
                        h_template: 'types.h.template')