Fixed type

protected/biopet-gatk-pipelines/src/main/scala/nl/lumc/sasc/biopet/pipelines/gatk/Shiva.scala

@@ -21,7 +21,7 @@ class Shiva(val root: Configurable) extends QScript with ShivaTrait {
   def this() = this(null)
 
   /** Make variantcalling submodule, this with the gatk modes in there */
-  override def makeVariantcalling(multisample: Boolean = false): ShivaVariantcallingTrait = {
+  override def makeVariantcalling(multisample: Boolean = false) = {
     if (multisample) new ShivaVariantcalling(qscript) {
       override def namePrefix = "multisample"
       override def configName = "shivavariantcalling"

public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaTrait.scala

@@ -36,7 +36,7 @@ trait ShivaTrait extends MultisampleMappingTrait with Reference with TargetRegio
   }
 
   /** Method to make the variantcalling submodule of shiva */
-  def makeVariantcalling(multisample: Boolean = false) = {
+  def makeVariantcalling(multisample: Boolean = false): ShivaVariantcallingTrait with QScript = {
     if (multisample) new ShivaVariantcalling(qscript) {
       override def namePrefix = "multisample"
       override def configName: String = "shivavariantcalling"