Fix mysqli test wrt. MariaDB

The test results under MariaDB, except they report "MariaDB" instead
of MySQL.

Author: grooverdan

ext/mysqli/tests/mysqli_execute_query.phpt

@@ -89,7 +89,7 @@ print "done!";
 require_once "clean_table.inc";
 ?>
 --EXPECTF--
-[005] [1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'some random gibberish' at line 1
+[005] [1064] You have an error in your SQL syntax; check the manual that corresponds to your %s server version for the right syntax to use near 'some random gibberish' at line 1
 [006] [1062] Duplicate entry '1' for key '%s'
 [009] mysqli::execute_query(): Argument #2 ($params) must consist of exactly 3 elements, 2 present
 [010] mysqli::execute_query(): Argument #2 ($params) must be a list array

ext/mysqli/tests/mysqli_reap_async_query_error.phpt

@@ -26,6 +26,6 @@ try {
 
 print "done!";
 ?>
---EXPECT--
-You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
+--EXPECTF--
+You have an error in your SQL syntax; check the manual that corresponds to your %s server version for the right syntax to use near ')' at line 1
 done!