===================================================================
RCS file: /cvs/mandoc/Attic/mandoc-db.c,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -p -r1.20 -r1.21
--- mandoc/Attic/mandoc-db.c	2011/05/12 01:45:55	1.20
+++ mandoc/Attic/mandoc-db.c	2011/05/12 23:44:51	1.21
@@ -1,4 +1,4 @@
-/*	$Id: mandoc-db.c,v 1.20 2011/05/12 01:45:55 kristaps Exp $ */
+/*	$Id: mandoc-db.c,v 1.21 2011/05/12 23:44:51 kristaps Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -591,7 +591,8 @@ pmdoc_Fd(MDOC_ARGS)
 	if ('>' == *end || '"' == *end)
 		end--;
 
-	dbt_appendb(key, ksz, start, end - start + 1);
+	assert(end >= start);
+	dbt_appendb(key, ksz, start, (size_t)(end - start + 1));
 	dbt_appendb(key, ksz, "", 1);
 
 	fl = MANDOC_INCLUDES;
@@ -702,7 +703,7 @@ pmdoc_Vt(MDOC_ARGS)
 	if (0 == (sz = strlen(start)))
 		return;
 
-	if (';' == start[sz - 1])
+	if (';' == start[(int)sz - 1])
 		sz--;
 
 	if (0 == sz)