Changed ${pkg_prefix} to {{pkg.path}}

Author: mangala915

habitat/hooks/run

@@ -1,7 +1,7 @@
 #!/bin/sh
 export HOME="/hab/svc/chime/config"
 # export the parameters file path
-export PARAMETERS="${pkg_prefix}/defaults/webapp.cfg"
+export PARAMETERS="{{pkg.path}}/defaults/webapp.cfg"
 cd "/hab/svc/chime"
 
 if [ "$(whoami)" = "root" ]; then