add missing $(PYGOBJECT_LIBS) to gstpythonplugin LDFLAGS

gstlal/gst/gst/Makefile.am

@@ -10,5 +10,5 @@ libgstlaladder_la_LIBADD = $(top_builddir)/lib/gstlal/libgstlal.la $(top_builddi
 libgstlaladder_la_LDFLAGS = $(AM_LDFLAGS) $(ORC_LIBS) $(gstreamer_LIBS) $(gstreamer_audio_LIBS) $(GSTLAL_PLUGIN_LDFLAGS)
 
 libgstpythonplugin_la_SOURCES = gstpythonplugin.c
-libgstpythonplugin_la_LDFLAGS = $(AM_LDFLAGS) $(PYTHON_LDFLAGS) $(gstreamer_LIBS) $(GSTLAL_PLUGIN_LDFLAGS)
+libgstpythonplugin_la_LDFLAGS = $(AM_LDFLAGS) $(PYTHON_LDFLAGS) $(gstreamer_LIBS) $(GSTLAL_PLUGIN_LDFLAGS) $(PYGOBJECT_LIBS)
 libgstpythonplugin_la_CFLAGS = $(AM_CPPFLAGS) $(PYTHON_CPPFLAGS) $(PYGOBJECT_CFLAGS) $(gstreamer_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) -DPYTHON_VERSION="\"$(PYTHON_VERSION)\"" -DPY_LIB_LOC="\"$(PYTHON_LIB_LOC)\"" -DPY_ABI_FLAGS="\"$(PYTHON_ABI_FLAGS)\"" -DPY_LIB_SUFFIX="\"$(PYTHON_LIB_SUFFIX)\"" -DGST_API_VERSION="\"$(GSTREAMER_RELEASE)\"" -DPLUGINDIR="\"$(plugindir)\""