Fix a possible notice in Output library
diff --git a/system/core/Output.php b/system/core/Output.php
index da5c290..69a2e5f 100755
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -397,14 +397,12 @@
 			// If the output data contains closing </body> and </html> tags
 			// we will remove them and add them back after we insert the profile data
 			$output = preg_replace('|</body>.*?</html>|is', '', $output, $count).$CI->profiler->run();
-			if ($count > 0)
+			if (isset($count) && $count > 0)
 			{
 				$output .= '</body></html>';
 			}
 		}
 
-		// --------------------------------------------------------------------
-
 		// Does the controller contain a function named _output()?
 		// If so send the output there.  Otherwise, echo it.
 		if (method_exists($CI, '_output'))
@@ -413,7 +411,7 @@
 		}
 		else
 		{
-			echo $output;  // Send it to the browser!
+			echo $output; // Send it to the browser!
 		}
 
 		log_message('debug', 'Final output sent to browser');