- fix error in toc of SDK help

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8308 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

jme3-core/javahelp/com/jme3/gde/core/docs/core-toc.xml

@@ -107,7 +107,7 @@
                 <tocitem text="Update Loop" target="jme3.advanced.update_loop"/>
                 <tocitem text="Application States" target="jme3.advanced.application_states"/>
                 <tocitem text="Custom Controls" target="jme3.advanced.custom_controls"/>
-                <tocitem text="Multithreading" target="jme3:advanced:multithreading"/>
+                <tocitem text="Multithreading" target="jme3.advanced.multithreading"/>
             </tocitem>
             <tocitem text="Managing and Moving Objects" expand="false">
                 <tocitem text="Spatial types" target="jme3.advanced.spatial"/>