Add --force to rsync command in ssh_host.py.  This should avoid errors
extracting symlinks over existing directories.

From: Steve Howard <showard@google.com>



git-svn-id: http://test.kernel.org/svn/autotest/trunk@1169 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/server/hosts/ssh_host.py b/server/hosts/ssh_host.py
index 158b157..b9517b0 100644
--- a/server/hosts/ssh_host.py
+++ b/server/hosts/ssh_host.py
@@ -553,7 +553,7 @@
 			    self.user, self.hostname,
 			    utils.scp_remote_escape(dest))
 		try:
-			utils.run('rsync --rsh="%s" -az %s %s' % (
+			utils.run('rsync --force --rsh="%s" -az %s %s' % (
 			    self.ssh_base_command(), " ".join(processed_source),
 			    remote_dest))
 		except: