Whitespace cleanup in db classes
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index ce9d1c1..06ec3cd 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -1167,7 +1167,7 @@
 			{
 				$clean = array();
 
-				foreach($row as $value)
+				foreach ($row as $value)
 				{
 					$clean[] = $this->escape($value);
 				}
@@ -1425,7 +1425,7 @@
 			$index_set = FALSE;
 			$clean = array();
 
-			foreach($v as $k2 => $v2)
+			foreach ($v as $k2 => $v2)
 			{
 				if ($k2 == $index)
 				{
@@ -1569,7 +1569,7 @@
 		}
 		elseif (is_array($table))
 		{
-			foreach($table as $single_table)
+			foreach ($table as $single_table)
 			{
 				$this->delete($single_table, $where, $limit, FALSE);
 			}