Fix warnings in sse2_64 implementation.

miner.h

@@ -99,6 +99,10 @@ extern bool scanhash_asm32(const unsigned char *midstate,unsigned char *data,
 	      unsigned char *hash1, unsigned char *hash,
 	      const unsigned char *target,
 	      uint32_t max_nonce, unsigned long *hashes_done);
+extern int scanhash_sse2_64(const unsigned char *pmidstate, unsigned char *pdata,
+	unsigned char *phash1, unsigned char *phash,
+	const unsigned char *ptarget,
+	uint32_t max_nonce, unsigned long *nHashesDone);
 
 extern int
 timeval_subtract (struct timeval *result, struct timeval *x, struct timeval *y);

sha256_sse2_amd64.c

@@ -57,7 +57,6 @@ int scanhash_sse2_64(const unsigned char *pmidstate, unsigned char *pdata,
     uint32_t m_midstate[8], m_w[16], m_w1[16];
     __m128i m_4w[64], m_4hash[64], m_4hash1[64];
     __m128i offset;
-    __m128i g_4sha256_hinit[8];
     int i;
 
     /* For debugging */