very small nodemcu fix.

Author: dave

src/TaskManagerIO.cpp

@@ -169,7 +169,7 @@ void TaskManager::cancelTask(taskid_t taskId) {
 void TaskManager::yieldForMicros(uint32_t microsToWait) {
 	yield();
 
-	auto* prevTask = runningTask;
+	auto& prevTask = runningTask;
 	unsigned long microsStart = micros();
 	do {
         runLoop();

src/TaskManagerIO.h

@@ -287,7 +287,7 @@ class TaskManager {
      * store this pointer.
      * @return a temporary pointer to the running task that lasts as long as it is running.
      */
-    tm_internal::TimerTaskAtomicPtr getRunningTask() { return runningTask; }
+    const tm_internal::TimerTaskAtomicPtr& getRunningTask() { return runningTask; }
 
 private:
     /**

tests/taskMgrTests/taskMgrTests.ino

@@ -1,6 +1,7 @@
 
 #include <Arduino.h>
 #include <AUnit.h>
+#include <Wire.h>
 
 using namespace aunit;