Merge PR #3859: Add newline to echo of gaiacli keys ...

`gaiacli keys add a123 --multisig a1,a2,a3 --multisig-threshold 2`
`gaiacli keys add temp --recover` with incorrect mnemonic

PENDING.md

@@ -39,6 +39,8 @@
 
 ### Gaia CLI
 
+* [\#3859](https://github.com/cosmos/cosmos-sdk/pull/3859) Add newline to echo of `gaiacli keys ...`
+
 ### Gaia
 
 * #3808 `gaiad` and `gaiacli` integration tests use ./build/ binaries.

client/keys/add.go

@@ -146,7 +146,7 @@ func runAddCmd(_ *cobra.Command, args []string) error {
 				return err
 			}
 
-			fmt.Fprintf(os.Stderr, "Key %q saved to disk.", name)
+			fmt.Fprintf(os.Stderr, "Key %q saved to disk.\n", name)
 			return nil
 		}
 
@@ -216,7 +216,7 @@ func runAddCmd(_ *cobra.Command, args []string) error {
 	}
 
 	if !bip39.IsMnemonicValid(mnemonic) {
-		fmt.Fprintf(os.Stderr, "Error: Mnemonic is not valid")
+		fmt.Fprintf(os.Stderr, "Error: Mnemonic is not valid.\n")
 		return nil
 	}