Remove incorrect call to zval_ptr_dtor() in user_wrapper_metadata()

This one is not initialized. This is not hittable from userspace code
because all locations within first-party php-src code have a valid
`option` argument.

Closes phpGH-19714.

Author: ndossche

NEWS

@@ -36,6 +36,10 @@ PHP                                                                        NEWS
 - Standard:
   . Fixed bug GH-16649 (UAF during array_splice). (alexandre-daubois)
 
+- Streams:
+  . Remove incorrect call to zval_ptr_dtor() in user_wrapper_metadata().
+    (nielsdos)
+
 - Tidy:
   . Fixed GH-19021 build issue with libtidy in regard of tidyOptIsReadonly
     deprecation and TidyInternalCategory being available later than

main/streams/userspace.c

@@ -1223,7 +1223,6 @@ static int user_wrapper_metadata(php_stream_wrapper *wrapper, const char *url, i
 			break;
 		default:
 			php_error_docref(NULL, E_WARNING, "Unknown option %d for " USERSTREAM_METADATA, option);
-			zval_ptr_dtor(&args[2]);
 			return ret;
 	}