[perl #79648] PATCH: fix bug introduced in the recent regex patches

# New Ticket Created by  karl williamson 
# Please include the string:  [perl #79648]
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# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=79648 >


As explained in the attached commit message, I screwed up and used space 
without making sure it was allocated.  I'm sorry.

• [perl #79648] PATCH: fix bug introduced in the recent regex patches by karl williamson
• Re: [perl #79648] PATCH: fix bug introduced in the recent regex patches by David Golden