[gnome-online-accounts] providers: Fix JsonParser leaks

[Christophe Fergeau <teuf src gnome org>]

commit 80c89b4e2fc0d1a56661c50ea24388a79070fbff
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Thu Jul 23 23:33:05 2015 +0200

    providers: Fix JsonParser leaks
    
    After creating a JsonParser with json_parser_new(), its memory must be
    released with g_object_unref().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=752939

 src/goabackend/goaflickrprovider.c      |    1 +
 src/goabackend/goagoogleprovider.c      |    1 +
 src/goabackend/goaoauth2provider.c      |    1 +
 src/goabackend/goawindowsliveprovider.c |    1 +
 4 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/goabackend/goaflickrprovider.c b/src/goabackend/goaflickrprovider.c
index ce69de1..cc664e9 100644
--- a/src/goabackend/goaflickrprovider.c
+++ b/src/goabackend/goaflickrprovider.c
@@ -254,6 +254,7 @@ get_identity_sync (GoaOAuthProvider  *oauth_provider,
     }
 
  out:
+  g_clear_object (&parser);
   g_clear_error (&identity_error);
   g_clear_object (&call);
   g_clear_object (&proxy);
diff --git a/src/goabackend/goagoogleprovider.c b/src/goabackend/goagoogleprovider.c
index 7942d74..085ce20 100644
--- a/src/goabackend/goagoogleprovider.c
+++ b/src/goabackend/goagoogleprovider.c
@@ -260,6 +260,7 @@ get_identity_sync (GoaOAuth2Provider  *oauth2_provider,
     *out_presentation_identity = g_strdup (ret); /* for now: use email as presentation identity */
 
  out:
+  g_clear_object (&parser);
   g_clear_error (&identity_error);
   g_clear_object (&call);
   g_clear_object (&proxy);
diff --git a/src/goabackend/goaoauth2provider.c b/src/goabackend/goaoauth2provider.c
index 0d039ad..32167eb 100644
--- a/src/goabackend/goaoauth2provider.c
+++ b/src/goabackend/goaoauth2provider.c
@@ -739,6 +739,7 @@ get_tokens_sync (GoaOAuth2Provider  *provider,
                        GOA_ERROR,
                        GOA_ERROR_FAILED,
                        _("Could not parse response"));
+          g_object_unref (parser);
           goto out;
         }
       /* refresh_token is optional... */
diff --git a/src/goabackend/goawindowsliveprovider.c b/src/goabackend/goawindowsliveprovider.c
index b4d3019..f75c21a 100644
--- a/src/goabackend/goawindowsliveprovider.c
+++ b/src/goabackend/goawindowsliveprovider.c
@@ -248,6 +248,7 @@ get_identity_sync (GoaOAuth2Provider  *oauth2_provider,
     }
 
  out:
+  g_clear_object (&parser);
   g_clear_error (&identity_error);
   g_clear_object (&call);
   g_clear_object (&proxy);