Merge pull request #858 from Heuriskein/mktempbackwardscompat

Add XXX to the end of mktemp template to support more linux versions.

scripts/test.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Create a temp dir and clean it up on exit
-TEMPDIR=`mktemp -d -t consul-test`
+TEMPDIR=`mktemp -d -t consul-test.XXX`
 trap "rm -rf $TEMPDIR" EXIT HUP INT QUIT TERM
 
 # Build the Consul binary for the API tests