message: [trivial] Fix typo in CDiskBlockPos struct's ToString
diff: @@ -117,7 +117,7 @@ struct CDiskBlockPos
  std::string ToString() const
  {
  - return strprintf("CBlockDiskPos(nFile=%i, nPos=%i)", nFile, nPos);
  + return strprintf("CDiskBlockPos(nFile=%i, nPos=%i)", nFile, nPos);
  }
  };
  