[ci skip] Remove some whitespace chars
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index fb8514f..f0fe96c 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -2561,14 +2561,13 @@
 		{
 			$qb_variable	= 'qb_'.$val;
 			$qb_cache_var	= 'qb_cache_'.$val;
-
-			$qb_new = $this->$qb_cache_var;
+			$qb_new 	= $this->$qb_cache_var;
 
 			foreach ($this->$qb_variable as &$qb_var)
 			{
 			 	in_array($qb_var, $qb_new, TRUE) OR $qb_new[] = $qb_var;
 			}
-			
+
 			$this->$qb_variable = $qb_new;
 		}