Index: http.c
===================================================================
RCS file: /home/ncvs/src/lib/libfetch/http.c,v
retrieving revision 1.78.2.5
diff -u -r1.78.2.5 http.c
--- http.c	27 Jan 2010 14:54:48 -0000	1.78.2.5
+++ http.c	1 Jul 2010 13:45:06 -0000
@@ -1786,12 +1786,14 @@
 			case hdr_www_authenticate:
 				if (conn->err != HTTP_NEED_AUTH)
 					break;
-				http_parse_authenticate(p, &server_challenges);
+				if (http_parse_authenticate(p, &server_challenges))
+					++n;
 				break;
 			case hdr_proxy_authenticate:
 				if (conn->err != HTTP_NEED_PROXY_AUTH)
 					break;
-				http_parse_authenticate(p, &proxy_challenges);
+				if (http_parse_authenticate(p, &proxy_challenges) == 0);
+					++n;
 				break;
 			case hdr_end:
 				/* fall through */