fix return type for colums

Author: gertvdb

lib/vendor/propel-generator/classes/propel/engine/builder/om/php5/PHP5BasicObjectBuilder.php

@@ -1585,9 +1585,9 @@ public function copyInto(\$copyObj)
         /** @var Unique $unice **/
         foreach ($table->getUnices() as $unice) {
             $uniceCols = $unice->getColumns();
-            /** @var Column $uniceCol */
+            /** @var string $uniceCol */
             foreach ($uniceCols as $uniceCol) {
-                $ucols[] = $uniceCol->getName();
+                $ucols[] = $uniceCol;
             }
         }
 

lib/vendor/propel-generator/classes/propel/engine/builder/om/php5/PHP5ComplexObjectBuilder.php

@@ -1251,9 +1251,9 @@ public function copyInto(\$copyObj, bool \$deepCopy = false)
         foreach ($table->getUnices() as $unice) {
 
             $uniceCols = $unice->getColumns();
-            /** @var Column $uniceCol */
+            /** @var string $uniceCol */
             foreach ($uniceCols as $uniceCol) {
-                $ucols[] = $uniceCol->getName();
+                $ucols[] = $uniceCol;
             }
 
         }