added config include to all new C files

dnn/dred_rdovae.c

-#include "dred_rdovae.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 
+#include "dred_rdovae.h"
 #include "dred_rdovae_enc.h"
 #include "dred_rdovae_dec.h"
 #include "dred_rdovae_stats_data.h"

dnn/dred_rdovae_dec.c

+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+
 #include "dred_rdovae_dec.h"
 #include "dred_rdovae_constants.h"
 //#define DEBUG

dnn/dred_rdovae_enc.c

 #include <math.h>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+
 #include "dred_rdovae_enc.h"