[gnome-applets] tracker-search-bar: disable build on missing dependency

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d32faa001fab09a0107a87e04f3fc7094b7e73a2
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Apr 1 00:32:17 2020 +0300

    tracker-search-bar: disable build on missing dependency

 gnome-applets/tracker-search-bar/Makefile.am | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gnome-applets/tracker-search-bar/Makefile.am b/gnome-applets/tracker-search-bar/Makefile.am
index bca8f45aa..80d941b45 100644
--- a/gnome-applets/tracker-search-bar/Makefile.am
+++ b/gnome-applets/tracker-search-bar/Makefile.am
@@ -1,5 +1,6 @@
 NULL =
 
+if HAVE_TRACKER_SEARCH_BAR
 noinst_LTLIBRARIES=libtracker-search-bar-applet.la
 
 libtracker_search_bar_applet_la_CPPFLAGS = \
@@ -34,5 +35,6 @@ libtracker_search_bar_applet_la_SOURCES = \
        tracker-utils.c \
        tracker-utils.h \
        $(NULL)
+endif
 
 -include $(top_srcdir)/git.mk