[gnome-software/wip/rancell/reviews] Code style - check for NULL in if statement with pointer

[Robert Ancell <rancell src gnome org>]

commit 90e6d833485facc580d15844b4d9306ae4847be6
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Mar 2 14:51:28 2016 +1300

    Code style - check for NULL in if statement with pointer

 src/plugins/gs-plugin-ubuntu-reviews.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/gs-plugin-ubuntu-reviews.c b/src/plugins/gs-plugin-ubuntu-reviews.c
index 09d5896..e7a18f9 100644
--- a/src/plugins/gs-plugin-ubuntu-reviews.c
+++ b/src/plugins/gs-plugin-ubuntu-reviews.c
@@ -590,7 +590,7 @@ parse_reviews (GsPlugin *plugin, JsonParser *parser, GsApp *app, GError **error)
 
                /* Read in from JSON... (skip bad entries) */
                review = parse_review (json_array_get_element (array, i));
-               if (review)
+               if (review != NULL)
                        gs_app_add_review (app, review);
        }