Fix false positives in attributes rule with Swift 4.1

[marcelofabri]

Fixes #2125 and #2141

This was a side effect of swiftlang/swift#12086.

[SwiftLintBot]

	12 Messages
📖	Linting Aerial with this PR took 0.52s vs 0.49s on master (6% slower)
📖	Linting Alamofire with this PR took 4.15s vs 4.48s on master (7% faster)
📖	Linting Firefox with this PR took 15.53s vs 20.37s on master (23% faster)
📖	Linting Kickstarter with this PR took 21.97s vs 29.14s on master (24% faster)
📖	Linting Moya with this PR took 2.09s vs 2.46s on master (15% faster)
📖	Linting Nimble with this PR took 2.02s vs 2.44s on master (17% faster)
📖	Linting Quick with this PR took 0.6s vs 0.72s on master (16% faster)
📖	Linting Realm with this PR took 4.02s vs 4.52s on master (11% faster)
📖	Linting SourceKitten with this PR took 1.24s vs 1.46s on master (15% faster)
📖	Linting Sourcery with this PR took 5.39s vs 5.74s on master (6% faster)
📖	Linting Swift with this PR took 18.17s vs 20.28s on master (10% faster)
📖	Linting WordPress with this PR took 20.97s vs 19.83s on master (5% slower)

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[codecov-io]

Codecov Report

Merging #2148 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2148      +/-   ##
==========================================
+ Coverage   89.87%   89.89%   +0.01%     
==========================================
  Files         266      266              
  Lines       15385    15395      +10     
  Branches     1012     1013       +1     
==========================================
+ Hits        13828    13840      +12     
+ Misses       1537     1535       -2     
  Partials       20       20

Impacted Files	Coverage Δ
...urce/SwiftLintFramework/Rules/AttributesRule.swift	98.16% <100%> (+0.07%)	⬆️
Source/SwiftLintFramework/Models/Command.swift	97.82% <0%> (+2.17%)	⬆️

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[jpsim]

Curious that osscheck didn’t catch any of these.

[marcelofabri]

@jpsim we’re using Swift 4.0 on osscheck

[jpsim]

Right. It’ll be good to run it locally to diff 4.0.3 with 4.1