Add getinfo to unhandled RPC handler map.
Add getinfo to unhandled RPC handler map.

Stash-Crypto/btcwallet,decred/dcrwallet,jrick/btcwallet,jrick/dcrwallet,decred/dcrwallet,synrg-labs/btcwallet,Roasbeef/btcwallet,btcsuite/btcwallet,Roasbeef/btcwallet,jrick/dcrwallet,btcsuite/btcwallet,Stash-Crypto/btcwallet,synrg-labs/btcwallet,jrick/btcwallet