[gnome-games] GriloDeveloper: Send empty string as default

[Alexander Mikhaylenko <alexm src gnome org>]

commit cdfa89f9236d29fa837605380f6a090838ea453d
Author: theawless <theawless gmail com>
Date:   Sat Aug 25 23:32:20 2018 +0530

    GriloDeveloper: Send empty string as default
    
    Developer interface says that string cannot be null. This commit will
    prevent lots of null checks.

 src/grilo/grilo-developer.vala | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)
---
diff --git a/src/grilo/grilo-developer.vala b/src/grilo/grilo-developer.vala
index 819f99ab..3770da7e 100644
--- a/src/grilo/grilo-developer.vala
+++ b/src/grilo/grilo-developer.vala
@@ -4,18 +4,16 @@ public class Games.GriloDeveloper : Object, Developer {
        private GriloMedia media;
        private string developer;
        private bool resolving;
+       private bool resolved;
 
        public GriloDeveloper (GriloMedia media) {
                this.media = media;
                media.resolved.connect (on_media_resolved);
-               resolving = false;
+               developer = "";
        }
 
        public string get_developer () {
-               if (resolving)
-                       return developer;
-
-               if (developer != null)
+               if (resolving || resolved)
                        return developer;
 
                resolving = true;
@@ -42,8 +40,8 @@ public class Games.GriloDeveloper : Object, Developer {
 
        private void load_media_developer (string developer_string) {
                developer = developer_string;
-               resolving = true;
+               resolved = true;
 
-               changed();
+               changed ();
        }
 }