Fix the inverted logic in 'svnadmin recover' that breaks the warning message when the repository lock cannot be immediately acquired.
Fix the inverted logic in 'svnadmin recover' that breaks the warning
message when the repository lock cannot be immediately acquired.

* subversion/svnadmin/main.c
  (subcommand_recover): Return if the error was *not* EAGAIN.

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