[tracker] tracker-miner-user-guides: Avoid GIO unresolved symbol errors

[Martyn James Russell <mr src gnome org>]

commit 9211ac4cf512d6d8fca4d2173bbed3a6fd121c28
Author: Martyn Russell <martyn lanedo com>
Date:   Wed May 14 09:14:18 2014 +0100

    tracker-miner-user-guides: Avoid GIO unresolved symbol errors
    
    Error: tracker-miner-user-guides.o: undefined reference to symbol
    'g_file_info_get_attribute_uint64'
    
    https://bugzilla.gnome.org/show_bug.cgi?id=730111

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index aaaf453..55515e5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -350,6 +350,7 @@ PKG_CHECK_MODULES(TRACKER_MINER_APPS, [$TRACKER_MINER_APPS_REQUIRED])
 
 # Check requirements for tracker-miner-user-guides
 TRACKER_MINER_USER_GUIDES_REQUIRED="glib-2.0     >= $GLIB_REQUIRED
+                                    gio-unix-2.0 >= $GLIB_REQUIRED
                                     libxml-2.0   >= $LIBXML2_REQUIRED"
 
 PKG_CHECK_MODULES(TRACKER_MINER_USER_GUIDES, [$TRACKER_MINER_USER_GUIDES_REQUIRED])