Patch: FYI: configure -vs- vm-tools-packages

[Tom Tromey]

I'm checking this in.

vm-tools-packages can end up listing a directory multiple times, if
configure is re-run.  This in turn can make the tools build fail.

Tom

Index: ChangeLog
from  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.
	* configure.ac: Clear vm-tools-packages.

Index: configure.ac
===================================================================
--- configure.ac	(revision 122664)
+++ configure.ac	(working copy)
@@ -296,6 +296,7 @@
 fi
 
 # Tools that need to be compiled against classpath's tools classes
+: > vm-tools-packages
 for package in gnu/gcj/tools/gc_analyze ; do
     echo $package >> standard.omit
     echo $package >> vm-tools-packages