Add missing trailing newline in source file.

.github/workflows/ci.yaml

@@ -102,3 +102,12 @@ jobs:
       run: ./ci/k8s-openapi-derive.sh
       env:
         OP: "${{ matrix.op }}"
+
+
+  style:
+    runs-on: 'ubuntu-20.04'
+
+    steps:
+    - uses: 'actions/checkout@v2'
+    - name: 'Run'
+      run: ./ci/style.sh

ci/style.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -euo pipefail
+
+find . '(' -path './.git' -o -path './target*' -o -path './k8s-openapi-codegen-common/templates' ')' -prune -o -type f -print0 |
+	while IFS= read -r -d '' f; do
+		printf '%s: ' "$f"
+		if [[ "$(tail -c 1 "$f" | wc -l)" -eq '0' ]]; then
+			echo 'missing newline'
+			exit 1
+		fi
+		echo 'OK'
+	done

k8s-openapi-codegen/src/supported_version.rs

@@ -202,4 +202,4 @@ impl SupportedVersion {
 
 		Ok(())
 	}
-}
+}