Updated release notes, lwip architecture port files

ext/lwip/src/include/arch/cc.h

@@ -83,7 +83,7 @@ typedef unsigned long mem_ptr_t;
 /* Plaform specific diagnostic output */
 //#define LWIP_PLATFORM_DIAG(x)	do {printf x;} while(0)
 #include "Debug.hpp"
-#define LWIP_PLATFORM_DIAG(x) DEBUG_STACK(x);
+#define LWIP_PLATFORM_DIAG(x) DEBUG_STACK x;
 
 #define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion \"%s\" failed at line %d in %s\n", \
                                      x, __LINE__, __FILE__); fflush(NULL); abort();} while(0)

ext/lwip/src/include/lwip/arch.h

@@ -76,7 +76,8 @@
  * systems, this should be defined to something less resource-consuming.
  */
 #ifndef LWIP_PLATFORM_DIAG
-#define LWIP_PLATFORM_DIAG(x) do {printf x;} while(0)
+#include "Debug.hpp"
+#define LWIP_PLATFORM_DIAG(x) printf(x);
 #include <stdio.h>
 #include <stdlib.h>
 #endif