[gnome-directory-thumbnailer] core: Fix a memory leak in a debug message print

[Philip Withnall <pwithnall src gnome org>]

commit caf3fd757dbaff36f6336d173c06c1c798039809
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Tue Jun 9 12:34:30 2015 +0100

    core: Fix a memory leak in a debug message print

 src/main.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 1e99b31..86fc97c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -229,6 +229,8 @@ pick_interesting_file_for_directory (GFile *input_directory, GFileInfo **file_in
                g_debug ("Examining file ‘%s’ with interestingness %u", g_file_info_get_name (file_info), 
file_interestingness);
 
                if (file_interestingness > interesting_file_interestingness) {
+                       gchar *path = NULL;  /* owned */
+
                        g_clear_object (&interesting_file_info);
                        g_clear_object (&interesting_file);
 
@@ -236,11 +238,15 @@ pick_interesting_file_for_directory (GFile *input_directory, GFileInfo **file_in
                        interesting_file = g_object_ref (file);
                        interesting_file_interestingness = file_interestingness;
 
-                       g_debug ("Updating most interesting file to ‘%s’ with interestingness %u.", 
g_file_get_path (interesting_file), interesting_file_interestingness);
+                       path = g_file_get_path (interesting_file);
+                       g_debug ("Updating most interesting file to ‘%s’ with interestingness %u.", path, 
interesting_file_interestingness);
+                       g_free (path);
 
                        /* If this is the most fantastic, interesting, amazing file we can possibly 
encounter, bail. */
                        if (interesting_file_interestingness >= MAX_FILE_INTERESTINGNESS) {
-                               g_debug ("Interestingness reached maximum of %u. Breaking out with most 
interesting file ‘%s’.", MAX_FILE_INTERESTINGNESS, g_file_get_path (interesting_file));
+                               path = g_file_get_path (interesting_file);
+                               g_debug ("Interestingness reached maximum of %u. Breaking out with most 
interesting file ‘%s’.", MAX_FILE_INTERESTINGNESS, path);
+                               g_free (path);
 
                                g_object_unref (file_info);
                                g_object_unref (file);