Remove an unused variable.  A follow-up to r936835.
Remove an unused variable.  A follow-up to r936835.

* subversion/libsvn_ra_neon/options.c
  (svn_ra_neon__exchange_capabilities): Remove 'msg'.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion