Correctly identifier quote column names before adding them to queries.

Closes #2248

lib/Cake/Model/Datasource/Database/Postgres.php

@@ -325,6 +325,7 @@ public function resetSequence($table, $column) {
 		$fullTable = $this->fullTableName($table);
 
 		$sequence = $this->value($this->getSequence($tableName, $column));
+		$column = $this->name($column);
 		$this->execute("SELECT setval($sequence, (SELECT MAX($column) FROM $fullTable))");
 		return true;
 	}