fix bug

workflow.wdl

@@ -4,6 +4,7 @@ import "./tasks/Dedup.wdl" as Dedup
 import "./tasks/deduped_Metrics.wdl" as deduped_Metrics
 import "./tasks/Realigner.wdl" as Realigner
 import "./tasks/BQSR.wdl" as BQSR
+import "./tasks/Haplotyper.wdl" as Haplotyper
 import "./tasks/corealigner.wdl" as corealigner
 import "./tasks/PON.wdl" as PON
 import "./tasks/TNseq.wdl" as TNseq