Fix debug message when unable to get the terraform lock

[kaufers]

Message should have been in an else block.

Signed-off-by: Steven Kaufer [email protected]

[codecov]

Codecov Report

Merging #554 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #554      +/-   ##
==========================================
- Coverage   56.69%   56.68%   -0.02%     
==========================================
  Files          57       57              
  Lines        3963     3964       +1     
==========================================
  Hits         2247     2247              
- Misses       1430     1431       +1     
  Partials      286      286

Impacted Files	Coverage Δ
examples/instance/terraform/apply.go	12.5% <0%> (-0.55%)	⬇️

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