Minor; move <vector> requirement to cpp

Author: ethanbb

Source/Processors/ProcessorGraph/ProcessorGraph.cpp

@@ -23,6 +23,7 @@
 
 #include <stdio.h>
 #include <utility>
+#include <vector>
 #include <map>
 
 #include "ProcessorGraph.h"

Source/Processors/ProcessorGraph/ProcessorGraph.h

@@ -28,8 +28,6 @@
 
 #include "../../AccessClass.h"
 
-#include <vector>
-
 class GenericProcessor;
 class RecordNode;
 class AudioNode;