[bgpd] fix a couple of trivial compiler warnings

2008-07-22 Paul Jakma <paul.jakma@sun.com>

	* bgp_community.c: (community_str2com) assigns defaults to local
	  vars
	* bgp_attr.c: (bgp_attr_parse) match format specifier to arg
	* bgp_table.{c,h}: (bgp_table_top) can take a * to a const, quelling
	  warning in bgp_route.c
diff --git a/bgpd/bgp_community.c b/bgpd/bgp_community.c
index d5e9821..592b810 100644
--- a/bgpd/bgp_community.c
+++ b/bgpd/bgp_community.c
@@ -581,8 +581,8 @@
 {
   struct community *com = NULL;
   struct community *com_sort = NULL;
-  u_int32_t val;
-  enum community_token token;
+  u_int32_t val = 0;
+  enum community_token token = community_token_unknown;
 
   do 
     {