[libpeas] Make peas_plugin_info_get_authors() consistent with other API.

[Steve Frécinaux <sfre src gnome org>]

commit d883e816828cbe2d1f8928bcd13affb36a1ee60b
Author: Garrett Regier <alias301 gmail com>
Date:   Fri Mar 25 21:56:25 2011 -0700

    Make peas_plugin_info_get_authors() consistent with other API.
    
    The PeasPluginInfo getters usually return an empty array rather than
    NULL, so let's be consistent here.

 libpeas/peas-plugin-info.c  |    2 ++
 tests/libpeas/plugin-info.c |    4 +++-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/libpeas/peas-plugin-info.c b/libpeas/peas-plugin-info.c
index 10a59e0..f76f893 100644
--- a/libpeas/peas-plugin-info.c
+++ b/libpeas/peas-plugin-info.c
@@ -209,6 +209,8 @@ _peas_plugin_info_new (const gchar *filename,
   /* Get Authors */
   info->authors = g_key_file_get_string_list (plugin_file, "Plugin",
                                               "Authors", NULL, NULL);
+  if (info->authors == NULL)
+    info->authors = g_new0 (gchar *, 1);
 
   /* Get Copyright */
   str = g_key_file_get_string (plugin_file, "Plugin", "Copyright", NULL);
diff --git a/tests/libpeas/plugin-info.c b/tests/libpeas/plugin-info.c
index 6fe6a6b..2202b75 100644
--- a/tests/libpeas/plugin-info.c
+++ b/tests/libpeas/plugin-info.c
@@ -97,6 +97,7 @@ test_plugin_info_verify_min_info (PeasEngine *engine)
 {
   PeasPluginInfo *info;
   GError *error = NULL;
+  const gchar **authors;
 
   info = peas_engine_get_plugin_info (engine, "min-info");
 
@@ -119,7 +120,8 @@ test_plugin_info_verify_min_info (PeasEngine *engine)
   g_assert_cmpstr (peas_plugin_info_get_version (info), ==, NULL);
   g_assert_cmpstr (peas_plugin_info_get_help_uri (info), ==, NULL);
 
-  g_assert (peas_plugin_info_get_authors (info) == NULL);
+  authors = peas_plugin_info_get_authors (info);
+  g_assert (authors != NULL && authors[0] == NULL);
 }
 
 static void