Remove spaces after #endif, which the preprocessor doesn't seem to like. Fixing bustage.

browser/base/content/browser.js

@@ -538,7 +538,7 @@ function delayedStartup()
       shell.setDefaultBrowser(true);
     shell.shouldCheckDefaultBrowser = checkEveryTime.value;
   }
-#endif  
+#endif
 }
 
 function Shutdown()
@@ -4372,4 +4372,4 @@ var MailIntegration = {
 #else
   }
 #endif
-};
+};