[tracker-miners] tracker-extract: Ensure to add, not set, the nie:dataSource tag

[Carlos Garnacho <carlosg src gnome org>]

commit 3e7746cdde5f2e2b86262c6eda430b1e1f0b82c8
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Nov 14 21:19:45 2017 +0100

    tracker-extract: Ensure to add, not set, the nie:dataSource tag
    
    It's not ok to unset all previous nie:dataSource properties here,
    as tracker-miner-fs sets its own.

 src/tracker-extract/tracker-extract-decorator.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-decorator.c b/src/tracker-extract/tracker-extract-decorator.c
index 6e251f4..7817a12 100644
--- a/src/tracker-extract/tracker-extract-decorator.c
+++ b/src/tracker-extract/tracker-extract-decorator.c
@@ -163,7 +163,7 @@ decorator_save_info (TrackerExtractDecorator *decorator,
        urn = tracker_decorator_info_get_urn (decorator_info);
 
        tracker_resource_set_identifier (resource, urn);
-       tracker_resource_set_uri (resource, "nie:dataSource",
+       tracker_resource_add_uri (resource, "nie:dataSource",
                tracker_decorator_get_data_source (TRACKER_DECORATOR (decorator)));
 
        return resource;