message: fix small bug in recover_reversible_blocks
diff: @@ -409,7 +409,7 @@ bool chain_plugin::recover_reversible_blocks( const fc::path& db_dir, uint32_t c
  if( num == 0 )
  ilog( "There were no recoverable blocks in the reversible block database" );
  - else if( num == 0 )
  + else if( num == 1 )
  ilog( "Recovered 1 block from reversible block database: block ${start}", ("start", start) );
  else
  ilog( "Recovered ${num} blocks from reversible block database: blocks ${start} to ${end}",
  