Need to reset kBuildOldUsed bit when reading TStreamerInfo
Need to reset kBuildOldUsed bit when reading TStreamerInfo

The kBuildOldUsed bit is transient, like kIsCompiled, and therefore
must be reset when a TStreamerInfo is read from a file.

Dr15Jones/root,Dr15Jones/root,Dr15Jones/root,Dr15Jones/root,Dr15Jones/root,Dr15Jones/root,Dr15Jones/root