Require customizations in utilities package

The function may make use of some custom variables, and this way we make sure
they are there when needed.

site-lisp/db-utils.el

@@ -11,6 +11,7 @@
 (require 'subr-x)
 (require 'cl-lib)
 (require 'dash)
+(require 'db-customize)
 
 
 ;;; application shortcuts