[gnome-logs] Do not return NULL if error fetching PRIORITY

[Jonathan Kang <jonathankang src gnome org>]

commit 9600be1f3911f994d40f5e0de78791c842a42978
Author: Jonathan Kang <jonathan121537 gmail com>
Date:   Thu Feb 25 17:43:23 2016 +0800

    Do not return NULL if error fetching PRIORITY
    
    Use g_debug instead of g_warning as debug information for fetching
    PRIORITY field. And do not return NULL as the return value of
    _gl_journal_query_entry while error fetching PRIORITY field.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762665

 src/gl-journal.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/src/gl-journal.c b/src/gl-journal.c
index 9afb1fe..93ac93c 100644
--- a/src/gl-journal.c
+++ b/src/gl-journal.c
@@ -437,15 +437,10 @@ _gl_journal_query_entry (GlJournal *self)
 
     if (error != NULL)
     {
-        g_warning ("%s", error->message);
+        /* Some entries do not have PRIORITY field, so use g_debug instead
+         * of g_warning*/
+        g_debug ("%s", error->message);
         g_clear_error (&error);
-        free (entry->cursor);
-        entry->cursor = NULL;
-        free (entry->catalog);
-        entry->catalog = NULL;
-        g_free (entry->message);
-        entry->message = NULL;
-        goto out;
     }
 
     entry->priority = priority ? atoi (priority) : LOG_INFO;