Fix parameter count check for importpubkey.
Fix parameter count check for importpubkey.

Github-Pull: #13507
Rebased-From: 3f72d04

gjhiggins/vcoincore,myriadcoin/myriadcoin,GroestlCoin/GroestlCoin,myriadteam/myriadcoin,myriadteam/myriadcoin,GroestlCoin/bitcoin,gjhiggins/vcoincore,gjhiggins/vcoincore,starwels/starwels,myriadteam/myriadcoin,starwels/starwels,1185/starwels,peercoin/peercoin,DigitalPandacoin/pandacoin,gjhiggins/vcoincore,DigitalPandacoin/pandacoin,peercoin/peercoin,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,starwels/starwels,myriadteam/myriadcoin,viacoin/viacoin,viacoin/viacoin,viacoin/viacoin,1185/starwels,ppcoin/ppcoin,myriadcoin/myriadcoin,GroestlCoin/bitcoin,starwels/starwels,peercoin/peercoin,gjhiggins/vcoincore,DigitalPandacoin/pandacoin,GroestlCoin/bitcoin,GroestlCoin/bitcoin,starwels/starwels,viacoin/viacoin,myriadcoin/myriadcoin,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,DigitalPandacoin/pandacoin,peercoin/peercoin,myriadteam/myriadcoin,myriadcoin/myriadcoin,1185/starwels,1185/starwels,GroestlCoin/bitcoin,ppcoin/ppcoin,peercoin/peercoin,GroestlCoin/GroestlCoin,myriadcoin/myriadcoin,peercoin/peercoin,1185/starwels,GroestlCoin/bitcoin,1185/starwels,myriadcoin/myriadcoin,ppcoin/ppcoin,ppcoin/ppcoin,DigitalPandacoin/pandacoin,gjhiggins/vcoincore,viacoin/viacoin,starwels/starwels,DigitalPandacoin/pandacoin,myriadteam/myriadcoin,viacoin/viacoin