[rygel] Update meson.build too

[Jens Georg <jensgeorg src gnome org>]

commit 4c9f2a341ccf59b528b15b394ca808e7fac09c1b
Author: Sebastien Bacher <seb128 debian org>
Date:   Fri Aug 23 16:20:51 2019 +0000

    Update meson.build too

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 4c8e4a9f..e14d5e33 100644
--- a/meson.build
+++ b/meson.build
@@ -129,7 +129,7 @@ renderer_gst_deps = common_deps + [gstreamer, gstreamer_audio]
 server_deps = common_deps + [gssdp, gupnp_av, soup, mediaart, gmodule, libxml]
 db_deps = common_deps + [gupnp_av, gio, sqlite, unistring]
 media_engine_gst_dep = [gee, gupnp_av, libxml, gio, gstreamer, gstreamer_pbu,
-                        gstreamer_base, gupnp_dlna]
+                        gstreamer_base, gupnp_dlna, math]
 ruih_deps = common_deps
 rygel_deps = common_deps