dockerdeb: redirect 'cd' in export command to /dev/null
This had the unfortunate side effect of causing the environment to have a
newline due to the fact that some 'cd' outputs the result of the directory
change. So, let's just redirect the meaningless output.
--- a/contrib/dockerdeb Sat Mar 26 18:50:56 2016 +0900
+++ b/contrib/dockerdeb Sun Apr 17 10:36:40 2016 -0700
@@ -4,7 +4,7 @@
. $(dirname $0)/packagelib.sh
BUILDDIR=$(dirname $0)
-export ROOTDIR=$(cd $BUILDDIR/..; pwd)
+export ROOTDIR=$(cd $BUILDDIR/.. > /dev/null; pwd)
checkdocker