test: add trailing newline to fixture outputs

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
  - task: lint_c_tests_fixtures
    status: na
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    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/csc/test/fixtures/julia/runner.jl

@@ -51,6 +51,7 @@ function gen( domain, name )
 	# Write the data to the output filepath as JSON:
 	outfile = open( filepath, "w" );
 	write( outfile, JSON.json(data) );
+	write( outfile, "\n" );
 	close( outfile );
 end