only include DMDServer.h if required

Author: mkalkbrenner

include/DMDUtil/DMDUtil.h

@@ -14,6 +14,5 @@
 #include "Config.h"
 #include "ConsoleDMD.h"
 #include "DMD.h"
-#include "DMDServer.h"
 #include "LevelDMD.h"
 #include "RGB24DMD.h"

src/server.cpp

@@ -1,6 +1,7 @@
 #include <signal.h>
 
 #include "DMDUtil/DMDUtil.h"
+#include "DMDUtil/DMDServer.h"
 #include "Logger.h"
 #include "cargs.h"