javasource setting not being passed to compiler

Patch below should fix the problem where Ant's javasource setting is never passed to the compiler, and as a result generics compilation fails.

Looks like a simple typo ("source" used instead of "javasource"):

— src/xmlcomp/org/apache/xmlbeans/impl/tool/XMLBean.java.orig 2005-08-05 00:25:34.390625000 -0700
+++ src/xmlcomp/org/apache/xmlbeans/impl/tool/XMLBean.java 2005-08-05 00:26:33.437500000 -0700
@@ -252,10 +252,10 @@
javac.setExecutable(forkedExecutable);
javac.setFailonerror(failonerror);
javac.setFork(fork);

• if (source != null)
  + if (javasource != null) { - javac.setSource(source); - javac.setTarget(source); + javac.setSource(javasource); + javac.setTarget(javasource); }

  else
  {