--- rtf-fix/rtf2rtf.l.orig	2013-03-20 13:14:06.146829954 +0400
+++ rtf-fix/rtf2rtf.l	2013-03-20 13:14:28.193830654 +0400
@@ -72,7 +72,7 @@
 int skipnewline = 0;
 
 extern char *yytext;
-extern int yyleng;
+extern yy_size_t yyleng;
 
 #define CHAPTER 1
 #define SECTION 2