Added CCaddr1of2set and FinalizeCCtx modified to support it

(small test CCerror code added - temp)

src/cc/CCutils.cpp

@@ -195,6 +195,14 @@ void CCaddr3set(struct CCcontract_info *cp,uint8_t evalcode,CPubKey pk,uint8_t *
     strcpy(cp->unspendableaddr3,coinaddr);
 }
 
+// set pubkeys, myprivkey and 1of2 cc addr for spending from 1of2 cryptocondition vout:
+void CCaddr1of2set(struct CCcontract_info *cp, CPubKey pk1, CPubKey pk2, char *coinaddr)
+{
+	cp->unspendable1of2pk[0] = pk1;
+	cp->unspendable1of2pk[1] = pk2;
+	strcpy(cp->unspendable1of2addr, coinaddr);
+}
+
 bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey)
 {
     CTxDestination address; txnouttype whichType;