bug 457781 — Plugin disabling in Addons Manager does not stick: only alter plugin state when the user has made a change, not on startup as well

mobile/chrome/content/browser.xul

@@ -265,7 +265,7 @@
             <richpref pref="javascript.enabled" type="bool" title="&javascript.enabled.title;">
               &javascript.enabled.description;
             </richpref>
-            <richpref pref="plugins.enabled" type="bool" title="&plugins.enabled.title;" onsyncfrompreference="Browser.setPluginState(this.value);">
+            <richpref pref="plugins.enabled" type="bool" title="&plugins.enabled.title;" onsynctopreference="Browser.setPluginState(this.value);">
               &plugins.enabled.description;
             </richpref>