Update Plugin API version

Author: aacuevas

Source/Processors/PluginManager/OpenEphysPlugin.h

@@ -47,7 +47,7 @@ class SourceNode;
 class RecordEngineManager;
 class FileSource;
 
-#define PLUGIN_API_VER 1
+#define PLUGIN_API_VER 2
 
 typedef GenericProcessor*(*ProcessorCreator)();
 typedef DataThread*(*DataThreadCreator)(SourceNode*);