COMP: fix build error (missing include)

Cannot build develop on my machine after build of !405 (merged), missing include. Not sure why dashboard was green?

Modules/Core/Common/include/otbStandardOneLineFilterWatcher.h

@@ -23,6 +23,7 @@
 #define otbStandardOneLineFilterWatcher_h
 
 #include <iosfwd>
+#include <memory>
 
 #include "otbFilterWatcherBase.h"
 #include "otbStandardOutputPrintCallback.h"