fix migration

Author: taylorotwell

database/migrations/2014_10_12_000000_create_users_table.php

@@ -20,7 +20,7 @@ public function up()
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');
             $table->rememberToken();
-            $table->string('current_team_id')->nullable();
+            $table->foreignId('current_team_id')->nullable();
             $table->text('profile_photo_path')->nullable();
             $table->timestamps();
         });