Fixing empty dict linter bug

testing/lint_asn1.py

@@ -194,7 +194,7 @@ def lintASN1File (asnFile):
 def lintASN1Files (fileList):
     if len(fileList) == 0:
         logging.warning ("No files specified")
-        return []
+        return {}
 
     errorMap = {}
     logging.info("Checking files...")