Fix broken alter table test

Signed-off-by: Will Jones <[email protected]>

Author: Will Jones

test/unit/Sql/Ddl/AlterTableTest.php

@@ -110,7 +110,7 @@ public function testGetSqlString()
  CHANGE COLUMN "name" "new_name" VARCHAR(50) NOT NULL,
  DROP COLUMN "foo",
  ADD CONSTRAINT "my_fk" FOREIGN KEY ("other_id") REFERENCES "other_table" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
- DROP CONSTRAINT "my_constraint"
+ DROP CONSTRAINT "my_constraint",
  DROP INDEX "my_index"
 EOS;