Fixed a narsty little bug that suddenly started rearing its ugly head in

IsMessageWaiting() test #3.  fLastMessage wasn't getting initialized to
NULL on construction, and the random value was finally biting me.  All
better now.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@856 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/app/Looper.cpp

@@ -1111,6 +1111,7 @@ void BLooper::InitData()
 	fRunCalled = false;
 	fQueue = new BMessageQueue();
 	fCommonFilters = NULL;
+	fLastMessage = NULL;
 	fPreferred = NULL;
 	fTaskID = B_ERROR;
 	fTerminating = false;