Update scss.inc.php

Author: robocoder

scss.inc.php

@@ -1,13 +1,15 @@
 <?php
-include_once __DIR__ . '/src/Colors.php';
-include_once __DIR__ . '/src/Compiler.php';
-include_once __DIR__ . '/src/Formatter.php';
-include_once __DIR__ . '/src/Formatter/Compact.php';
-include_once __DIR__ . '/src/Formatter/Compressed.php';
-include_once __DIR__ . '/src/Formatter/Crunched.php';
-include_once __DIR__ . '/src/Formatter/Expanded.php';
-include_once __DIR__ . '/src/Formatter/Nested.php';
-include_once __DIR__ . '/src/Parser.php';
-include_once __DIR__ . '/src/Version.php';
-include_once __DIR__ . '/src/Server.php';
-include_once __DIR__ . '/classmap.php';
+if ( ! class_exists('scssc')) {
+    include_once __DIR__ . '/src/Colors.php';
+    include_once __DIR__ . '/src/Compiler.php';
+    include_once __DIR__ . '/src/Formatter.php';
+    include_once __DIR__ . '/src/Formatter/Compact.php';
+    include_once __DIR__ . '/src/Formatter/Compressed.php';
+    include_once __DIR__ . '/src/Formatter/Crunched.php';
+    include_once __DIR__ . '/src/Formatter/Expanded.php';
+    include_once __DIR__ . '/src/Formatter/Nested.php';
+    include_once __DIR__ . '/src/Parser.php';
+    include_once __DIR__ . '/src/Version.php';
+    include_once __DIR__ . '/src/Server.php';
+    include_once __DIR__ . '/classmap.php';
+}