- change nifty javadoc jar name in build script update-sdk target

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8353 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/build.xml

@@ -234,7 +234,7 @@
                 <include name="jME3-lwjgl-natives.jar"/>
             </fileset>
             <fileset dir="lib/niftygui/">
-                <include name="nifty-1.3-javadoc.jar"/>
+                <include name="nifty-javadoc.jar"/>
             </fileset>
         </copy>