Require that JUnit forks so that we don't end up with wacky conflicts

between xerces.jar loaded by ant and our own copies of an XML parser
implementation.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@452 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/tests/build.xml

@@ -4,7 +4,10 @@
   <!-- things you may want to change -->
   <property name="build.compiler" value="jikes"/>
   <property name="java.libraries" value="/usr/share/java"/>
-  <property name="junit.fork"     value="false"/>
+
+  <!-- we need to do this to avoid conflicts with the XML jar files loaded
+       to run ant versus the XML jar files we load for our tests -->
+  <property name="junit.fork"     value="true"/>
 
   <!-- things you probably don't want to change -->
   <property name="test.dir"   value="."/>