sleep a bit longer before exiting when acting as proxy to the unity dash

src/qtgui/rclmain_w.cpp

@@ -451,7 +451,7 @@ void RclMain::viewUrl()
 	// prevent the temp file deletion completely, leaving it
 	// around forever. Better to let the user save a copy if he
 	// wants I think.
-	sleep(10);
+	sleep(30);
 	fileExit();
     }
 }