Babel: Fix build with restricted protocol set

All keywords used in Babel config have to be declared locally.

Thanks to Leo Vandewoestijne for the bugreport.

conf/confbase.Y

@@ -77,7 +77,7 @@ CF_DECLS
 %type <time> datetime
 %type <a> ipa
 %type <px> prefix prefix_or_ipa
-%type <t> text
+%type <t> text opttext
 %type <t> text_or_none
 
 %nonassoc PREFIX_DUMMY
@@ -200,6 +200,11 @@ text:
    }
  ;
 
+opttext:
+    TEXT
+ | /* empty */ { $$ = NULL; }
+ ;
+
 text_or_none:
    TEXT { $$ = $1; }
  |      { $$ = NULL; }

proto/babel/config.Y

@@ -20,8 +20,9 @@ CF_DEFINES
 
 CF_DECLS
 
-CF_KEYWORDS(BABEL, METRIC, RXCOST, HELLO, UPDATE, INTERVAL, PORT, WIRED,
-WIRELESS, RX, TX, BUFFER, LENGTH, CHECK, LINK, BABEL_METRIC)
+CF_KEYWORDS(BABEL, INTERFACE, METRIC, RXCOST, HELLO, UPDATE, INTERVAL, PORT,
+	TYPE, WIRED, WIRELESS, RX, TX, BUFFER, PRIORITY, LENGTH, CHECK, LINK,
+	BABEL_METRIC, SHOW, INTERFACES, NEIGHBORS, ENTRIES)
 
 CF_GRAMMAR
 

proto/ospf/config.Y

@@ -146,7 +146,6 @@ CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY
 CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF, INSTANCE, REAL, NETMASK, TX, PRIORITY, LENGTH)
 CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION)
 
-%type <t> opttext
 %type <ld> lsadb_args
 %type <i> nbma_eligible
 
@@ -415,11 +414,6 @@ ospf_iface:
   ospf_iface_start ospf_iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); }
  ;
 
-opttext:
-    TEXT
- | /* empty */ { $$ = NULL; }
- ;
-
 CF_ADDTO(dynamic_attr, OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC1); })
 CF_ADDTO(dynamic_attr, OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC2); })
 CF_ADDTO(dynamic_attr, OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_TAG); })