adjust checkstyle to allow blocks in switch statements

Author: rbri

checkstyle.xml

@@ -215,7 +215,9 @@
 
         <!-- Checks for blocks. You know, those {}'s         -->
         <!-- See http://checkstyle.sf.net/config_blocks.html -->
-        <module name="AvoidNestedBlocks"/>
+        <module name="AvoidNestedBlocks">
+            <property name="allowInSwitchCase" value="true"/>
+        </module>
         <module name="EmptyBlock">
             <property name="option" value="text"/>
         </module>