Nits

src/iobuf.c

@@ -1,8 +1,7 @@
 #include "iobuf.h"
+#include "arch.h"
 #include "log.h"
 
-#include <string.h>
-
 // Not using memset for zeroing memory, cause it can be dropped by compiler
 // See https://github.com/cesanta/mongoose/pull/1265
 static void zeromem(volatile unsigned char *buf, size_t len) {