test: link demux-run with cdg plugin

test/Makefile.am

@@ -335,6 +335,7 @@ libvlc_demux_run_la_LIBADD += \
 	../modules/libau_plugin.la \
 	../modules/libavi_plugin.la \
 	../modules/libcaf_plugin.la \
+	../modules/libdemux_cdg_plugin.la \
 	../modules/libes_plugin.la \
 	../modules/libflacsys_plugin.la \
 	../modules/libh26x_plugin.la \

test/src/input/demux-run.c

@@ -425,6 +425,7 @@ int vlc_demux_process_memory(const struct vlc_run_args *args,
     f(demux_au) \
     f(demux_avi_avi) \
     f(demux_caf) \
+    f(demux_demux_cdg) \
     f(demux_mpeg_es) \
     f(demux_flacsys) \
     f(demux_mpeg_h26x) \