bug fix for 'back to default'

src/eu/siacs/conversations/ui/PublishProfilePictureActivity.java

@@ -152,6 +152,8 @@ public class PublishProfilePictureActivity extends XmppActivity {
 					if (this.account.getAvatar() != null) {
 						this.avatar.setImageBitmap(this.account.getImage(
 								getApplicationContext(), 384));
+						this.avatar
+								.setOnLongClickListener(this.backToDefaultListener);
 					} else {
 						if (this.defaultUri != null) {
 							this.avatarUri = this.defaultUri;