Simplify environment creation in XPC service re-exec
https://bugs.webkit.org/show_bug.cgi?id=108017

Reviewed by Dan Bernstein.

* Shared/EntryPointUtilities/mac/XPCService/XPCServiceBootstrapper.Development.h:
(WebKit::XPCServiceEventHandler):
There is no need to copy these strings.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140922 268f45cc-cd09-0410-ab3c-d52691b4dbfc