Remove a spurious newline in the 'svn mergeinfo' help text.
Remove a spurious newline in the 'svn mergeinfo' help text.

* subversion/svn/main.c
  (svn_cl__options): Remove an extra newline at the end of the help text for
  --from-source.

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