FortiOS: fix str rule
@@ -57,7 +57,7 @@ uint32
word: str;
// can include whitespace, newlines, html tags, etc.
-str: (double_quoted_string | single_quoted_string | UNQUOTED_WORD_CHARS)*;
+str: (double_quoted_string | single_quoted_string | UNQUOTED_WORD_CHARS)+;
enable_or_disable: ENABLE | DISABLE;
