Fix typo in StateImpl function name

Author: jerryshao

streaming/src/main/scala/org/apache/spark/streaming/State.scala

@@ -206,7 +206,7 @@ private[streaming] class StateImpl[S] extends State[S] {
    * Update the internal data and flags in `this` to the given state that is going to be timed out.
    * This method allows `this` object to be reused across many state records.
    */
-  def wrapTiminoutState(newState: S): Unit = {
+  def wrapTimingOutState(newState: S): Unit = {
     this.state = newState
     defined = true
     timingOut = true

streaming/src/main/scala/org/apache/spark/streaming/rdd/MapWithStateRDD.scala

@@ -67,7 +67,7 @@ private[streaming] object MapWithStateRDDRecord {
     // data returned
     if (removeTimedoutData && timeoutThresholdTime.isDefined) {
       newStateMap.getByTime(timeoutThresholdTime.get).foreach { case (key, state, _) =>
-        wrappedState.wrapTiminoutState(state)
+        wrappedState.wrapTimingOutState(state)
         val returned = mappingFunction(batchTime, key, None, wrappedState)
         mappedData ++= returned
         newStateMap.remove(key)

streaming/src/test/scala/org/apache/spark/streaming/MapWithStateSuite.scala

@@ -125,7 +125,7 @@ class MapWithStateSuite extends SparkFunSuite
     state.remove()
     testState(None, shouldBeRemoved = true)
 
-    state.wrapTiminoutState(3)
+    state.wrapTimingOutState(3)
     testState(Some(3), shouldBeTimingOut = true)
   }