fix build broken by the fix for bug #49306

diff --git a/ext/pdo_mysql/mysql_driver.c b/ext/pdo_mysql/mysql_driver.c
index 39bd942a5ee58f0d6a1fca39bfcb1894f90cd910..2a64c0e4753ce6797e09f23e8c1a4251587ac4ce 100755 (executable)
--- a/ext/pdo_mysql/mysql_driver.c
+++ b/ext/pdo_mysql/mysql_driver.c
@@ -551,11 +551,12 @@ static struct pdo_dbh_methods mysql_methods = {
        pdo_mysql_check_liveness
 };
 /* }}} */
-
-#ifdef PHP_WIN32
-# define MYSQL_UNIX_ADDR       "MySQL"
-#else
-# define MYSQL_UNIX_ADDR       PDO_MYSQL_G(default_socket)
+#ifdef PDO_USE_MYSQLND
+# ifdef PHP_WIN32
+#  define MYSQL_UNIX_ADDR      "MySQL"
+# else
+#  define MYSQL_UNIX_ADDR      PDO_MYSQL_G(default_socket)
+# endif
 #endif
 
 /* {{{ pdo_mysql_handle_factory */