tree 196875734572d3f5e72bf1ec1be26689d2f11846
parent c2ed5c69b6b8dad07d7410beb0c8292ea1a746e0
author Zuyu Zhang <zuyu@cs.wisc.edu> 1520326810 -0600
committer Zuyu Zhang <zuyu@cs.wisc.edu> 1520326810 -0600

Check File Handle in TextScanWorkOrder to avoid segfault.