Fix variable name in `DevtoolsProjectOptionalPackagesFormField::validate()`

See #4151

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/devtools/project/DevtoolsProjectOptionalPackagesFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/devtools/project/DevtoolsProjectOptionalPackagesFormField.class.php
index bd514b10238a9d167d79c0b701d3c9047172287a..47c5d7e5417da75e26ae3d42dae6c9cf8f3ef4b5 100644 (file)
--- a/wcfsetup/install/files/lib/system/form/builder/field/devtools/project/DevtoolsProjectOptionalPackagesFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/devtools/project/DevtoolsProjectOptionalPackagesFormField.class.php
@@ -51,7 +51,7 @@ class DevtoolsProjectOptionalPackagesFormField extends AbstractFormField
     {
         // everything is already validated by JavaScript thus we skip
         // reporting specific errors and simply remove manipulated values
-        $excludedPackages = [];
+        $optionalPackages = [];
         $packageIdentifiers = [];
         foreach ($this->getValue() as $package) {
             // ensure that all relevant elements are present
@@ -67,10 +67,10 @@ class DevtoolsProjectOptionalPackagesFormField extends AbstractFormField
                 continue;
             }
 
-            $excludedPackages[] = $package;
+            $optionalPackages[] = $package;
         }
 
-        $this->value($excludedPackages);
+        $this->value($optionalPackages);
     }
 
     /**