[tracker] rss: Fix compile error

[Carlos Garnacho <carlosg src gnome org>]

commit 5a5e562d9b43c97bf46adec1de108c48d4c667c6
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jul 15 13:46:00 2015 +0200

    rss: Fix compile error
    
    has_author was not defined. It's been renamed to "author" too, the former
    name makes more sense for booleans.

 src/miners/rss/tracker-miner-rss.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/src/miners/rss/tracker-miner-rss.c b/src/miners/rss/tracker-miner-rss.c
index 72ec795..e07b697 100644
--- a/src/miners/rss/tracker-miner-rss.c
+++ b/src/miners/rss/tracker-miner-rss.c
@@ -446,6 +446,7 @@ feed_item_check_exists_cb (GObject      *source_object,
        gchar *uri;
        const gchar *str;
        const gchar *url;
+       const gchar *author;
        gdouble latitude;
        gdouble longitude;
        const gchar *tmp_string;
@@ -523,16 +524,16 @@ feed_item_check_exists_cb (GObject      *source_object,
                tracker_sparql_builder_object_double (sparql, longitude);
        }
 
-       has_author = grss_feed_item_get_author (fiid->item);
-       if (has_author != NULL) {
-               g_message ("  Author:'%s'", has_author);
+       author = grss_feed_item_get_author (fiid->item);
+       if (author != NULL) {
+               g_message ("  Author:'%s'", author);
 
                tracker_sparql_builder_subject (sparql, "_:author");
                tracker_sparql_builder_predicate (sparql, "a");
                tracker_sparql_builder_object (sparql, "nco:Contact");
 
                tracker_sparql_builder_predicate (sparql, "nco:fullName");
-               tracker_sparql_builder_object_unvalidated (sparql, has_author);
+               tracker_sparql_builder_object_unvalidated (sparql, author);
        }
 
        tracker_sparql_builder_subject (sparql, "_:message");
@@ -554,7 +555,7 @@ feed_item_check_exists_cb (GObject      *source_object,
                tracker_sparql_builder_object_unvalidated (sparql, tmp_string);
        }
 
-       if (has_author != NULL) {
+       if (author != NULL) {
                tracker_sparql_builder_predicate (sparql, "nco:creator");
                tracker_sparql_builder_object (sparql, "_:author");
        }