MINOR_CHECKSTYLE (#3616)

Fix checkstyle

hudi-cli/src/main/resources/META-INF/spring/spring-shell-plugin.xml

@@ -21,7 +21,7 @@
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:context="http://www.springframework.org/schema/context"
   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
+              http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
 
   <context:component-scan base-package="org.apache.hudi.cli"/>