[grilo-plugins] local-metadata: fix leak in string cleanup

[Victor Toso de Carvalho <victortoso src gnome org>]

commit fec4c087b87f63f27c534c3135455289e74b4e23
Author: Victor Toso <me victortoso com>
Date:   Mon Mar 2 17:12:58 2015 +0100

    local-metadata: fix leak in string cleanup
    
    g_regex_replace_literal() returns a newly allocated string which is not
    freed. Return this string instead of allocating a new one.

 src/local-metadata/grl-local-metadata.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/local-metadata/grl-local-metadata.c b/src/local-metadata/grl-local-metadata.c
index 5af7eb5..c9799d5 100644
--- a/src/local-metadata/grl-local-metadata.c
+++ b/src/local-metadata/grl-local-metadata.c
@@ -288,7 +288,7 @@ video_sanitise_string (const gchar *str)
   line = g_regex_replace_literal(regex, line, -1, 0, ".", 0, NULL);
   g_regex_unref(regex);
 
-  return g_strdup (line);
+  return line;
 }
 
 /* tidies strings before we run them through the regexes */