Handle E_RECOVERABLE_ERROR with our error handler

refs #10361

library/Icinga/Application/ApplicationBootstrap.php

@@ -493,6 +493,7 @@ abstract class ApplicationBootstrap
                 case E_NOTICE:
                 case E_WARNING:
                 case E_STRICT:
+                case E_RECOVERABLE_ERROR:
                     throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
             }
             return false; // Continue with the normal error handler