restructure - Fixed include bug in features/unsupported/net/lwip

time.h brings in struct timeval
lwip defines custom struct timeval

resolved through disabling lwip's struct timeval

Author: geky

features/unsupported/net/lwip/lwip-sys/arch/cc.h

@@ -33,6 +33,7 @@
 #define __CC_H__ 
 
 #include <stdint.h>
+#include <sys/time.h>
 
 /* Types based on stdint.h */
 typedef uint8_t            u8_t; 

features/unsupported/net/lwip/lwip/include/lwip/sockets.h

@@ -304,7 +304,7 @@ typedef struct ip_mreq {
 /** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
  * by your system, set this to 0 and include <sys/time.h> in cc.h */ 
 #ifndef LWIP_TIMEVAL_PRIVATE
-#define LWIP_TIMEVAL_PRIVATE 1
+#define LWIP_TIMEVAL_PRIVATE 0
 #endif
 
 #if LWIP_TIMEVAL_PRIVATE