[rhythmbox] fix typo so distcheck works

[Jonathan Matthew <jmatthew src gnome org>]

commit d6a11a1cd62b6cbf8de915c1d27c51388e067494
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sat Jan 4 22:05:00 2020 +1000

    fix typo so distcheck works

 data/ui/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/ui/Makefile.am b/data/ui/Makefile.am
index cf704c81c..c7b5fc58b 100644
--- a/data/ui/Makefile.am
+++ b/data/ui/Makefile.am
@@ -19,7 +19,7 @@ GTK_BUILDER_FILES =                                   \
        playlist-popup.ui                               \
        playlist-save.ui                                \
        playlist-toolbar.ui                             \
-       plugin-prefis.ui                                \
+       plugin-prefs.ui                                 \
        podcast-add-dialog.ui                           \
        podcast-feed-properties.ui                      \
        podcast-popups.ui                               \