Description of problem:
bgpd crashes on as paths containing more 6 digit as numbers

Version-Release number of selected component (if applicable):
0.99.11

How reproducible:
use bgpd as border router

Steps to Reproduce:
1.run bgpd
2.import prefixes
3.
  
Actual results:
crash always

Expected results:
run

Additional info:
bug is also in quagga bugzilla:

http://bugzilla.quagga.net/show_bug.cgi?id=500

There is also patch:

--- quagga-0.99.11-orig/bgpd/bgp_aspath.c	2008-09-05 17:27:26.000000000 +0300
+++ quagga-0.99.11/bgpd/bgp_aspath.c	2009-05-03 19:06:55.000000000 +0300
@@ -549,7 +549,7 @@
    * With 32bit ASNs, this range will increase, but only worth changing
    * once there are significant numbers of ASN >= 100000
    */
-#define ASN_STR_LEN (5 + 1)
+#define ASN_STR_LEN (10 + 1)
   str_size = MAX (assegment_count_asns (seg, 0) * ASN_STR_LEN + 2 + 1,
                   ASPATH_STR_DEFAULT_LEN);
   str_buf = XMALLOC (MTYPE_AS_STR, str_size);