Whitespace cleanup in libraries/
diff --git a/system/libraries/Sha1.php b/system/libraries/Sha1.php
index ad747a0..05a4234 100644
--- a/system/libraries/Sha1.php
+++ b/system/libraries/Sha1.php
@@ -88,7 +88,7 @@
 			$oldd = $d;
 			$olde = $e;
 
-			for($j = 0; $j < 80; $j++)
+			for ($j = 0; $j < 80; $j++)
 			{
 				if ($j < 16)
 				{