Whitespace fix to make it clean

Author: GoeLin

test/jdk/ProblemList.txt

@@ -493,6 +493,7 @@ java/awt/Dialog/MakeWindowAlwaysOnTop/MakeWindowAlwaysOnTop.java 8266243 macosx-
 java/awt/Dialog/PrintToFileTest/PrintToFileRevoked.java 8029249 macosx-all
 java/awt/Dialog/PrintToFileTest/PrintToFileGranted.java 8029249 macosx-all
 java/awt/Dialog/FileDialogUserFilterTest.java 8001142 generic-all
+
 java/awt/dnd/DragSourceMotionListenerTest.java 8225131 windows-all
 java/awt/dnd/RejectDragTest.java 7124259 macosx-all
 java/awt/dnd/DnDHTMLToOutlookTest/DnDHTMLToOutlookTest.java 8027424 generic-all