[totem] build: fix libtotem_gir dependency for vala plugins

[Christian Hergert <chergert src gnome org>]

commit 02349cfbbf6c5c1242681aa50b828f841e0e3a42
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 10 18:05:19 2018 -0800

    build: fix libtotem_gir dependency for vala plugins
    
    This should fix both local builds which are racing against this and the
    flatpak build which has failed a number of times.

 src/plugins/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/meson.build b/src/plugins/meson.build
index 95af648..6c884dc 100644
--- a/src/plugins/meson.build
+++ b/src/plugins/meson.build
@@ -115,7 +115,7 @@ if plugins_option != 'none'
 
   if have_vala
     plugins_vala_deps = [
-      declare_dependency(sources: libtotem_gir)
+      declare_dependency(sources: libtotem_gir[0])
     ]
 
     plugins_vala_flags = [