Add include for "enipStruct.h"

webserver/core/enip.cpp

@@ -29,6 +29,7 @@
 #include <string.h>
 
 #include "ladder.h"
+#include "enipStruct.h"	//This header file contains necessary structs for enip.cpp
 
 #define ENIP_MIN_LENGTH     28
 
@@ -594,4 +595,4 @@ int processEnipMessage(unsigned char *buffer, int buffer_size)
         
         return -1;
     }
-}
+}