fix Compiler warnings

src/cc/CCtx.cpp

@@ -33,9 +33,8 @@ bool SignTx(CMutableTransaction &mtx,int32_t vini,int64_t utxovalue,const CScrip
         UpdateTransaction(mtx,vini,sigdata);
         return(true);
     } else fprintf(stderr,"signing error for SignTx vini.%d %.8f\n",vini,(double)utxovalue/COIN);
-#else
-    return(false);
 #endif
+    return(false);
 }
 
 std::string FinalizeCCTx(uint64_t CCmask,struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey mypk,uint64_t txfee,CScript opret)

src/cc/CCutils.cpp

@@ -74,6 +74,7 @@ CC* GetCryptoCondition(CScript const& scriptSig)
     std::vector<unsigned char> ffbin;
     if (scriptSig.GetOp(pc, opcode, ffbin))
         return cc_readFulfillmentBinary((uint8_t*)ffbin.data(), ffbin.size()-1);
+    else return(0);
 }
 
 bool IsCCInput(CScript const& scriptSig)