Fix redefinition error

crypto/c_groestl.h

@@ -1,5 +1,4 @@
-#ifndef __hash_h
-#define __hash_h
+#pragma once
 /*
 #include "crypto_uint8.h"
 #include "crypto_uint32.h"
@@ -11,6 +10,7 @@ typedef crypto_uint32 uint32_t;
 typedef crypto_uint64 uint64_t;
 */
 #include <stdint.h>
+#include "hash.h"
 
 /* some sizes (number of bytes) */
 #define ROWS 8
@@ -33,8 +33,6 @@ typedef crypto_uint64 uint64_t;
 
 
 /* NIST API begin */
-typedef unsigned char BitSequence;
-typedef unsigned long long DataLength;
 typedef struct {
   uint32_t chaining[SIZE512/sizeof(uint32_t)];            /* actual state */
   uint32_t block_counter1,
@@ -56,5 +54,3 @@ int crypto_hash(unsigned char *out,
 		const unsigned char *in,
 		unsigned long long len);
 */
-
-#endif /* __hash_h */

crypto/c_jh.h

@@ -13,9 +13,8 @@
    Last Modified: January 16, 2011
 */
 #pragma once
+#include "hash.h"
 
-typedef unsigned char BitSequence;
-typedef unsigned long long DataLength;
 typedef enum {SUCCESS = 0, FAIL = 1, BAD_HASHLEN = 2} HashReturn;
 
 HashReturn jh_hash(int hashbitlen, const BitSequence *data, DataLength databitlen, BitSequence *hashval);

crypto/hash.h

@@ -0,0 +1,4 @@
+#pragma once
+
+typedef unsigned char BitSequence;
+typedef unsigned long long DataLength;