Used FullyQualified for constant name

Author: jorgsowa

rules-tests/DowngradePhp84/Rector/FuncCall/DowngradeRoundingModeEnumRector/Fixture/fixture.php.inc

@@ -23,10 +23,10 @@ namespace Rector\Tests\Php84\Rector\FuncCall\RoundingModeEnumRector;
 
 round(1.5, 0);
 round(1.5);
-round(1.5, 0, PHP_ROUND_HALF_UP);
-round(1.5, 0, PHP_ROUND_HALF_DOWN);
-round(1.5, 0, PHP_ROUND_HALF_EVEN);
-round(1.5, 0, PHP_ROUND_HALF_ODD);
+round(1.5, 0, \PHP_ROUND_HALF_UP);
+round(1.5, 0, \PHP_ROUND_HALF_DOWN);
+round(1.5, 0, \PHP_ROUND_HALF_EVEN);
+round(1.5, 0, \PHP_ROUND_HALF_ODD);
 round(1.5, 0, \RoundingMode::TowardsZero);
 round(1.5, 0, \RoundingMode::AwayFromZero);
 round(1.5, 0, \RoundingMode::NegativeInfinity);

rules/DowngradePhp84/Rector/FuncCall/DowngradeRoundingModeEnumRector.php

@@ -80,7 +80,7 @@ public function refactor(Node $node): ?Node
                     return null;
                 }
 
-                $args[2]->value = new Node\Expr\ConstFetch(new Node\Name($constantName));
+                $args[2]->value = new Node\Expr\ConstFetch(new Node\Name\FullyQualified($constantName));
                 $hasChanged = true;
             }
         }