postactiv logo on qvitter

src/freedombone-utils-gnusocialtools

@@ -257,8 +257,8 @@ function install_qvitter {
 
     # customise with project logo
     if [ -f /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png ]; then
-        if [ -f ~/freedombone/img/gnusocial_sprite.png ]; then
-            cp ~/freedombone/img/gnusocial_sprite.png /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png
+        if [ -f ~/freedombone/img/${app_name}_sprite.png ]; then
+            cp ~/freedombone/img/${app_name}_sprite.png /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png
         fi
     fi