index.php: minor improvement in VIEWPATH definition code

Fixes an oversight from 806ca600d3669343ee7ae90a9b5d65be9dfdbefe
diff --git a/index.php b/index.php
index c6314da..cfb003e 100755
--- a/index.php
+++ b/index.php
@@ -255,7 +255,7 @@
 
 	if (($_temp = realpath($view_folder)) !== FALSE)
 	{
-		$view_folder = realpath($view_folder).'/';
+		$view_folder = $_temp.'/';
 	}
 	else
 	{