fix unixbench cross-compile

From:ericli@google.com



git-svn-id: http://test.kernel.org/svn/autotest/trunk@4254 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/tests/unixbench/unixbench.py b/client/tests/unixbench/unixbench.py
index f7ae7c6..5df9b98 100644
--- a/client/tests/unixbench/unixbench.py
+++ b/client/tests/unixbench/unixbench.py
@@ -20,6 +20,7 @@
         utils.system('patch -p1 < ../unixbench.patch')
         utils.system('patch -p1 < ../Makefile.patch')
         utils.system('make')
+        utils.system('rm pgms/select')
 
 
     def run_once(self, args='', stepsecs=0):