Better fix for sudoers files w/o a newline before EOF. It looks

like the issue is that yyrestart() does not reset the start condition
to INITIAL which is an issue since we parse sudoers multiple times.

parse.lex

@@ -339,17 +339,20 @@ PASSWD[[:blank:]]*:	{
 			    return(COMMENT);
 			}			/* return comments */
 
-<GOTRUNAS,GOTDEFS,GOTCMND,STARTDEFS,INDEFS><<EOF>> {
-			    BEGIN INITIAL;
-			    LEXTRACE("EOF ");
-			    return(ERROR);
-			}	/* premature EOF */
-
 <*>.			{
 			    LEXTRACE("ERROR ");
 			    return(ERROR);
 			}	/* parse error */
 
+<*><<EOF>>		{
+			    if (YY_START != INITIAL) {
+			    	BEGIN INITIAL;
+				LEXTRACE("ERROR ");
+				return(ERROR);
+			    }
+			    yyterminate();
+			}
+
 %%
 static void
 fill(s, len)