fixed possible macro issue mentioned in #39

lib/aes.h

@@ -2,8 +2,8 @@
  *  this file comes from https://github.com/kokke/tiny-AES128-C
  */
 
-#ifndef _AES_H_
-#define _AES_H_
+#ifndef UDP2RAW_AES_H_
+#define UDP2RAW_AES_H_
 
 #include <stdint.h>
 

lib/aes_acc/aesarm.h

@@ -26,8 +26,8 @@
  *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 
-#ifndef _AESARM_H_
-#define _AESARM_H_
+#ifndef UDP2RAW_AESARM_H_
+#define UDP2RAW_AESARM_H_
 
 #ifndef AES_ENCRYPT
 #define AES_ENCRYPT     1

lib/aes_acc/aesni.h

@@ -26,8 +26,8 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef _AESNI_H_
-#define _AESNI_H_
+#ifndef UDP2RAW_AESNI_H_
+#define UDP2RAW_AESNI_H_
 
 #ifndef AES_ENCRYPT
 #define AES_ENCRYPT     1

lib/aes_acc/asm/arm_arch.h

@@ -7,8 +7,8 @@
  * https://www.openssl.org/source/license.html
  */
 
-#ifndef __ARM_ARCH_H__
-# define __ARM_ARCH_H__
+#ifndef UDP2RAW__ARM_ARCH_H__
+# define UDP2RAW__ARM_ARCH_H__
 
 # if !defined(__ARM_ARCH__)
 #  if defined(__CC_ARM)

lib/md5.h

@@ -1,5 +1,5 @@
-#ifndef _MD5_H_
-#define _MD5_H_
+#ifndef UDP2RAW_MD5_H_
+#define UDP2RAW_MD5_H_
 #include <stdint.h>
 #include <stddef.h>