Fix inconsistent return points.

Author: derrabus

Command/DebugAutowiringCommand.php

@@ -145,6 +145,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
         }
 
         $io->newLine();
+
+        return null;
     }
 
     private function getFileLink(string $class): string

Templating/Helper/StopwatchHelper.php

@@ -39,12 +39,14 @@ public function getName()
 
     public function __call($method, $arguments = [])
     {
-        if (null !== $this->stopwatch) {
-            if (method_exists($this->stopwatch, $method)) {
-                return $this->stopwatch->{$method}(...$arguments);
-            }
+        if (null === $this->stopwatch) {
+            return null;
+        }
 
-            throw new \BadMethodCallException(sprintf('Method "%s" of Stopwatch does not exist', $method));
+        if (method_exists($this->stopwatch, $method)) {
+            return $this->stopwatch->{$method}(...$arguments);
         }
+
+        throw new \BadMethodCallException(sprintf('Method "%s" of Stopwatch does not exist', $method));
     }
 }