Fix some ugly formatting in order to clarify the prompt invocation.
Fix some ugly formatting in order to clarify the prompt invocation.

* subversion/libsvn_subr/ssl_server_trust_providers.c:
  (ssl_server_trust_prompt_first_cred): new helper variable. fix some
    formatting. no semantic change.

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