servlet API should be marked as provided.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@5707 71c3de6d-444a-0410-be80-ed276b4c234a

core/pom.xml

@@ -277,7 +277,7 @@
       <groupId>javax.servlet</groupId>
       <artifactId>servlet-api</artifactId>
       <version>2.4</version>
-      <scope>compile</scope>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>commons-fileupload</groupId>