Add keccakc for creative coin

Same hash as keccak, just different pool settings (sha256d and diff factor 256)

algos.h

@@ -24,6 +24,7 @@ enum sha_algos {
 	ALGO_HMQ1725,
 	ALGO_HSR,
 	ALGO_KECCAK,
+	ALGO_KECCAKC,		/* refreshed Keccak with pool factor 256 */
 	ALGO_JACKPOT,
 	ALGO_JHA,
 	ALGO_LBRY,
@@ -92,6 +93,7 @@ static const char *algo_names[] = {
 	"hmq1725",
 	"hsr",
 	"keccak",
+	"keccakc",
 	"jackpot",
 	"jha",
 	"lbry",
@@ -169,8 +171,6 @@ static inline int algo_to_int(char* arg)
 			i = ALGO_HMQ1725;
 		else if (!strcasecmp("hshare", arg))
 			i = ALGO_HSR;
-		//else if (!strcasecmp("jackpot", arg))
-		//	i = ALGO_JHA;
 		else if (!strcasecmp("lyra2re", arg))
 			i = ALGO_LYRA2;
 		else if (!strcasecmp("lyra2rev2", arg))

bench.cpp

@@ -126,13 +126,13 @@ bool bench_algo_switch_next(int thr_id)
 	if (algo == ALGO_C11) algo++; // same as x11
 	if (algo == ALGO_DMD_GR) algo++; // same as groestl
 	if (algo == ALGO_MJOLLNIR) algo++; // same as heavy
+	if (algo == ALGO_KECCAKC) algo++; // same as keccak
 	if (algo == ALGO_WHIRLCOIN) algo++; // same as whirlpool
 	if (algo == ALGO_WHIRLPOOLX) algo++; // disabled
 	// todo: algo switch from RPC 2.0
 	if (algo == ALGO_CRYPTOLIGHT) algo++;
 	if (algo == ALGO_CRYPTONIGHT) algo++;
 	if (algo == ALGO_WILDKECCAK) algo++;
-	//if (algo == ALGO_JACKPOT) algo++; // to fix
 	if (algo == ALGO_QUARK) algo++; // to fix
 	if (algo == ALGO_LBRY && CUDART_VERSION < 7000) algo++;
 
@@ -140,7 +140,6 @@ bool bench_algo_switch_next(int thr_id)
 		// incompatible SM 2.1 kernels...
 		if (algo == ALGO_GROESTL) algo++;
 		if (algo == ALGO_MYR_GR) algo++;
-		//if (algo == ALGO_JACKPOT) algo++; // compact shuffle
 		if (algo == ALGO_NEOSCRYPT) algo++;
 		if (algo == ALGO_WHIRLPOOLX) algo++;
 	}

ccminer.cpp

@@ -1695,6 +1695,7 @@ static bool stratum_gen_work(struct stratum_ctx *sctx, struct work *work)
 		case ALGO_FRESH:
 		case ALGO_FUGUE256:
 		case ALGO_GROESTL:
+		case ALGO_KECCAKC:
 		case ALGO_LBRY:
 		case ALGO_LYRA2v2:
 		case ALGO_LYRA2Z:
@@ -2215,6 +2216,7 @@ static void *miner_thread(void *userdata)
 				minmax = 0x40000000U;
 				break;
 			case ALGO_KECCAK:
+			case ALGO_KECCAKC:
 			case ALGO_LBRY:
 			case ALGO_LUFFA:
 			case ALGO_SIA:
@@ -2376,6 +2378,7 @@ static void *miner_thread(void *userdata)
 			break;
 
 		case ALGO_KECCAK:
+		case ALGO_KECCAKC:
 			rc = scanhash_keccak256(thr_id, &work, max_nonce, &hashes_done);
 			break;