make run-tests to work with directories containing spaces (bug #38558)

run-tests.php

@@ -177,7 +177,7 @@ More .INIs  : " , (function_exists(\'php_ini_scanned_files\') ? str_replace("\n"
 	$info_params = array();
 	settings2array($ini_overwrites,$info_params);
 	settings2params($info_params);
-	$php_info = `$php $pass_options $info_params $info_file`;
+	$php_info = `$php $pass_options $info_params "$info_file"`;
 	@unlink($info_file);
 	define('TESTED_PHP_VERSION', `$php -r "echo PHP_VERSION;"`);
 
@@ -186,7 +186,7 @@ More .INIs  : " , (function_exists(\'php_ini_scanned_files\') ? str_replace("\n"
 
 	// load list of enabled extensions
 	save_text($info_file, '<?php echo join(",",get_loaded_extensions()); ?>');
-	$exts_to_test = explode(',',`$php $pass_options $info_params $info_file`);
+	$exts_to_test = explode(',',`$php $pass_options $info_params "$info_file"`);
 	// check for extensions that need special handling and regenerate
 	$info_params_ex = array(
 		'session' => array('session.auto_start=0'),