fix test: fgetss() no longer exists

Author: smalyshev

ext/standard/tests/file/bug79099.phpt

@@ -2,31 +2,11 @@
 Bug #79099 (OOB read in php_strip_tags_ex)
 --FILE--
 <?php
-$stream = fopen('php://memory', 'w+');
-fputs($stream, "<?\n\"\n");
-rewind($stream);
-var_dump(@fgetss($stream));
-var_dump(@fgetss($stream));
-fclose($stream);
-
-$stream = fopen('php://memory', 'w+');
-fputs($stream, "<\0\n!\n");
-rewind($stream);
-var_dump(@fgetss($stream));
-var_dump(@fgetss($stream));
-fclose($stream);
-
-$stream = fopen('php://memory', 'w+');
-fputs($stream, "<\0\n?\n");
-rewind($stream);
-var_dump(@fgetss($stream));
-var_dump(@fgetss($stream));
-fclose($stream);
+var_dump(strip_tags("<?\n\"\n"));
+var_dump(strip_tags("<\0\n!\n"));
+var_dump(strip_tags("<\0\n?\n"));
 ?>
 --EXPECT--
 string(0) ""
 string(0) ""
 string(0) ""
-string(0) ""
-string(0) ""
-string(0) ""