Add newline to echo of gaiacli keys ...

[yangyanqing]

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

root@503a9ff8dd9c:/# gaiacli keys add a123 --multisig a1,a2,a3 --multisig-threshold 2
Key "a123" saved to disk.root@503a9ff8dd9c:/#
root@503a9ff8dd9c:/# gaiacli keys add temp --recover
Enter a passphrase to encrypt your key to disk:
Repeat the passphrase:
> Enter your bip39 mnemonic
1 2 3 4 5 6
Error: Mnemonic is not validroot@503a9ff8dd9c:/#

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #3859 into develop will decrease coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff             @@
##           develop    #3859      +/-   ##
===========================================
- Coverage    60.92%   60.91%   -0.02%     
===========================================
  Files          192      192              
  Lines        14323    14323              
===========================================
- Hits          8727     8725       -2     
- Misses        5027     5029       +2     
  Partials       569      569

[codecov]

Codecov Report

Merging #3859 into develop will decrease coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff             @@
##           develop    #3859      +/-   ##
===========================================
- Coverage    60.92%   60.91%   -0.02%     
===========================================
  Files          192      192              
  Lines        14323    14323              
===========================================
- Hits          8727     8725       -2     
- Misses        5027     5029       +2     
  Partials       569      569

[cwgoes]

ACK