Reduce differences between Netware proxy makefiles.

- removing trailing whitespace
- remove trailing empty lines
- choose a common order for lists
- choose a common style for TARGET_nlm and
  TARGET_lib definitions


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1728808 13f79535-47bb-0310-9956-ffa450edef68