fix default on non-Windows machines

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115369 13f79535-47bb-0310-9956-ffa450edef68

checkstyle/plugin.jelly

@@ -66,7 +66,7 @@
         <j:otherwise>
           <j:set
             var="checkstyleProperties"
-            value="file:///${plugin.resources}/${maven.checkstyle.format}_checks.xml"/>
+            value="file:${plugin.resources}/${maven.checkstyle.format}_checks.xml"/>
           <util:replace oldChar="\\" newChar="/" value="${checkstyleProperties}" var="checkstyleProperties" />
         </j:otherwise>
       </j:choose>