fix personal settings class name in xml

Co-Authored-By: Julius Härtl <jus@bitgrid.net>
Signed-off-by: blizzz <blizzz@arthur-schiwon.de>

apps/workflowengine/appinfo/info.xml

@@ -38,7 +38,7 @@
 	<settings>
 		<admin>OCA\WorkflowEngine\Settings\Admin</admin>
 		<admin-section>OCA\WorkflowEngine\Settings\Section</admin-section>
-		<personal>OCA\WorkflowEngine\Settings\Admin</personal>
+		<personal>OCA\WorkflowEngine\Settings\Personal</personal>
 		<personal-section>OCA\WorkflowEngine\Settings\Section</personal-section>
 	</settings>
 </info>