Don't throw, but return raw max post size instead

Author: WyriHaximus

src/Middleware/RequestBodyBuffer.php

@@ -60,8 +60,6 @@ public function __invoke(ServerRequestInterface $request, $stack)
      * is considered out of range.
      *
      * @return int
-     *
-     * @throws \UnexpectedValueException on invalid post_max_size value.
      */
     private function iniMaxPostSize()
     {
@@ -77,6 +75,6 @@ private function iniMaxPostSize()
             return substr($size, 0, -1) * 1024  * 1024 * 1024;
         }
 
-        throw new \UnexpectedValueException('post_max_size value is out of range.');
+        return $size;
     }
 }