Add stub

src/bitcoin-cli.cpp

@@ -75,6 +75,11 @@ public:
 #include "komodo_cJSON.c"
 #include "komodo_notary.h"
 
+uint32_t komodo_heightstamp(int32_t height)
+{
+    return(0);
+}
+
 void komodo_stateupdate(int32_t height,uint8_t notarypubs[][33],uint8_t numnotaries,uint8_t notaryid,uint256 txhash,uint64_t voutmask,uint8_t numvouts,uint32_t *pvals,uint8_t numpvals,int32_t KMDheight,uint32_t KMDtimestamp,uint64_t opretvalue,uint8_t *opretbuf,uint16_t opretlen,uint16_t vout)
 {