[FIX] Fix exit codes for SchemaUpdateCommand (#169)

* Fix exit codes for SchemaUpdateCommand

* Fix StyleCI issue

Author: driesvints

src/Console/SchemaUpdateCommand.php

@@ -84,8 +84,10 @@ public function fire(ManagerRegistry $registry)
                 $this->getName()));
             $this->comment(sprintf('    <info>php artisan %s --sql</info> to dump the SQL statements to the screen',
                 $this->getName()));
+
+            return 1;
         }
 
-        return 1;
+        return 0;
     }
 }