lib/46723: proplib: new prop_array_add_cstring{,_nocopy} util funcs

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>Number:         46723
>Category:       lib
>Synopsis:       proplib: new prop_array_add_cstring{,_nocopy} util funcs
>Confidential:   no
>Severity:       non-critical
>Priority:       high
>Responsible:    lib-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 19 11:40:00 +0000 2012
>Originator:     Juan RP
>Release:        void
>Organization:
void
>Environment:
void
>Description:
Add the following useful functions to proplib:

- prop_array_add_cstring
- prop_array_add_cstring_nocopy

This saves a bit of code duplication in some cases. I'll submit the patch in an 
upcoming email.
>How-To-Repeat:

>Fix: