[SPARK-23751][FOLLOW-UP] fix build for scala-2.12

WeichenXu123 · jkbradley · commit 0f93b91a7144 · 2018-04-12T15:47:42.000-06:00
## What changes were proposed in this pull request? fix build for scala-2.12 ## How was this patch tested? Manual. Author: WeichenXu <weichen.xu@databricks.com> Closes apache#21051 from WeichenXu123/fix_build212.
diff --git a/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala b/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala
@@ -85,7 +85,7 @@ object KolmogorovSmirnovTest {
       dataset: Dataset[_],
       sampleCol: String,
       cdf: Function[java.lang.Double, java.lang.Double]): DataFrame = {
-    test(dataset, sampleCol, (x: Double) => cdf.call(x))
+    test(dataset, sampleCol, (x: Double) => cdf.call(x).toDouble)
   }
 
   /**

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ object KolmogorovSmirnovTest {`
`85`	`85`	`dataset: Dataset[_],`
`86`	`86`	`sampleCol: String,`
`87`	`87`	`cdf: Function[java.lang.Double, java.lang.Double]): DataFrame = {`
`88`		`- test(dataset, sampleCol, (x: Double) => cdf.call(x))`
	`88`	`+ test(dataset, sampleCol, (x: Double) => cdf.call(x).toDouble)`
`89`	`89`	`}`
`90`	`90`
`91`	`91`	`/**`