Fix twice run

Author: Brandon Doyle

src/gitlabci_lint/validate.py

@@ -122,4 +122,4 @@ def validateCiConfig(baseUrl: str, configFile: str) -> int:
         # Optionally could print message.
         pass
 
-    sys.exit(validateCiConfig(base_url, config_file))
+    sys.exit(exitCode)