[tracker] Plug some leaks in the PDF extractor.

[Carlos Garnacho <carlosg src gnome org>]

commit 28e3a3ada5b86cf7cd32d6e1efd246484dc9ca52
Author: Carlos Garnacho <carlos lanedo com>
Date:   Wed Feb 3 15:26:58 2010 +0100

    Plug some leaks in the PDF extractor.

 src/tracker-extract/tracker-extract-pdf.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-pdf.c b/src/tracker-extract/tracker-extract-pdf.c
index 573cd9a..9c9891c 100644
--- a/src/tracker-extract/tracker-extract-pdf.c
+++ b/src/tracker-extract/tracker-extract-pdf.c
@@ -461,6 +461,12 @@ extract_pdf (const gchar          *uri,
 	}
 
 	g_object_unref (document);
+
+	g_free (pd.title);
+	g_free (pd.subject);
+	g_free (pd.creation_date);
+	g_free (pd.author);
+	g_free (pd.keywords);
 }
 
 TrackerExtractData *