Nits

src/md5.c

@@ -1,5 +1,5 @@
-#include <string.h>
 #include "md5.h"
+#include "arch.h"
 
 #if defined(MG_ENABLE_MD5) && MG_ENABLE_MD5
 #if !defined(BYTE_ORDER) && defined(__BYTE_ORDER)
@@ -16,7 +16,7 @@ static void mg_byte_reverse(unsigned char *buf, unsigned longs) {
 /* Forrest: MD5 expect LITTLE_ENDIAN, swap if BIG_ENDIAN */
 #if BYTE_ORDER == BIG_ENDIAN
   do {
-    uint32_t t = (uint32_t)((unsigned) buf[3] << 8 | buf[2]) << 16 |
+    uint32_t t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
                  ((unsigned) buf[1] << 8 | buf[0]);
     *(uint32_t *) buf = t;
     buf += 4;