!764 update 生成模板前端增加fixed

* update 生成模板前端增加fixed

ruoyi-modules/ruoyi-generator/src/main/resources/vm/xml/mapper.xml.vm

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper
-PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="${packageName}.mapper.${ClassName}Mapper">
-
 </mapper>