message: Fail if either disk space check fails
  Rather than both.
  Introduced in
diff: @@ -1631,8 +1631,14 @@ bool AppInitMain(InitInterfaces& interfaces)
  // ********************************************************* Step 11: import blocks
  - if (!CheckDiskSpace() && !CheckDiskSpace(0, true))
  + if (!CheckDiskSpace(/* additional_bytes */ 0, /* blocks_dir */ false)) {
  + InitError(strprintf(_("Error: Disk space is low for %s"), GetDataDir()));
  return false;
  + }
  + if (!CheckDiskSpace(/* additional_bytes */ 0, /* blocks_dir */ true)) {
  + InitError(strprintf(_("Error: Disk space is low for %s"), GetBlocksDir()));
  + return false;
  + }
  // Either install a handler to notify us when genesis activates, or set fHaveGenesis directly.
  // No locking, as this happens before any background thread is started.
  