fix glib/bluetooth linking errors

Since nobody else seems to have this problems, this may be possibly
only specific to KDE builds or to using gold linker.

Change-Id: I29359e298178b934a6232b78da684e55db590863
Reviewed-on: https://gerrit.libreoffice.org/59655
Tested-by: Jenkins
Reviewed-by: Arkadiy Illarionov <qarkai@gmail.com>
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

sd/CppunitTest_sd_uimpress.mk

@@ -79,6 +79,15 @@ $(eval $(call gb_CppunitTest_use_externals,sd_uimpress,\
 	libxml2 \
 ))
 
+ifneq ($(DBUS_HAVE_GLIB),)
+$(eval $(call gb_CppunitTest_add_defs,sd_uimpress,\
+	$(DBUS_GLIB_CFLAGS) \
+))
+$(eval $(call gb_CppunitTest_add_libs,sd_uimpress,\
+	$(DBUS_GLIB_LIBS) \
+))
+endif
+
 $(eval $(call gb_CppunitTest_add_exception_objects,sd_uimpress,\
     sd/qa/unit/uimpress \
 ))