[perl #56750] [PATCH] Function Parrot_string_empty to create emtpy strings

After some discussion on irc, rejected, it only hides problems.

[perl #56750] [PATCH] Function Parrot_string_empty to create emtpy strings

# New Ticket Created by NotFound # Please include the string: [perl #56750] # in the subject line of all future correspondence about this issue. # http://rt.perl.org/rt3/Ticket/Display.html?id=56750 > This patch adds a function to create empty strings, and replaces with it a lot of CONST_STRI