xl/healFile: Handle errors and continue (#1425)
xl/healFile: Handle errors and continue (#1425)

Fixes #1354
NitishT/minio,rushenn/minio,koolhead17/minio,harshavardhana/minio,dvstate/minio,hackintoshrao/minio,krishnasrinivas/minio,rajivm/minio,dvstate/minio,dutchcoders/minio,harshavardhana/minio,koolhead17/minio,minio/minio,harshavardhana/minio,fwessels/minio,aead/minio,aead/minio,dutchcoders/minio,NitishT/minio,aead/minio,dutchcoders/minio,fwessels/minio,krishnasrinivas/minio,aead/minio,balamurugana/minio,luomeiqin/minio,hackintoshrao/minio,hackintoshrao/minio,hackintoshrao/minio,krisis/minio,harshavardhana/minio,aead/minio,fwessels/minio,minio/minio,rushenn/minio,fwessels/minio,luomeiqin/minio,mkash32/minio,brendanashworth/minio,dutchcoders/minio,aead/minio,jimjag/minio,mf-00/newgo,alexellis/minio,abperiasamy/minio,donatello/minio,NitishT/minio,donatello/minio,krisis/minio,krishnasrinivas/minio-daily,harshavardhana/minio,brendanashworth/minio,luomeiqin/minio,mf-00/newgo,vadmeste/minio,aead/minio,abperiasamy/minio,alexellis/minio,NitishT/minio,rushenn/minio,abperiasamy/minio,jimjag/minio,balamurugana/minio,brendanashworth/minio,brendanashworth/minio,dvstate/minio,krishnasrinivas/minio,aead/minio,abperiasamy/minio,mkash32/minio,dvstate/minio,vadmeste/minio,krishnasrinivas/minio-daily,harshavardhana/minio,jimjag/minio,harshavardhana/minio,rajivm/minio,luomeiqin/minio,rushenn/minio,harshavardhana/minio,krishnasrinivas/minio,jimjag/minio