small fix

delly.wdl

@@ -9,7 +9,7 @@ task CallSV {
         File referenceFasta
         File referenceFastaFai
         String outputPath        
-        Int mem = 15
+        String memory = 15
         String dockerImage = "quay.io/biocontainers/delly:0.8.1--h4037b6b_1"
     }
     
@@ -28,6 +28,6 @@ task CallSV {
     
     runtime {
         docker: dockerImage
-        memory: mem
+        memory: memory
     }
 }

manta.wdl

@@ -71,7 +71,7 @@ task Germline {
         Boolean exome = false
         
         Int cores = 1
-        Int memory = 4
+        String memory = 4
     }
 
     command {

survivor.wdl

@@ -14,7 +14,7 @@ task Merge {
         Int minSize = 30
         String sample
         String outputPath
-        Int memory = 128
+        String memory = 128
     }
 
     command {