hush you little script


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9095 a1c6a512-1295-4272-9138-f99709370657
diff --git a/tools/release b/tools/release
index b276eeb..879d5af 100755
--- a/tools/release
+++ b/tools/release
@@ -80,7 +80,7 @@
     #print "Create $dir\n";
     mkalldir($dir);
     #print "Copy $_ to $dir\n";
-    `cp -p $_ $dir`;
+    `cp -p $_ $dir 2>/dev/null`;
 }