Added prototypes for rdn_attr_type() and rdn_attr_value(), which are

utility functions added to support the modrdn v3 implementation.
These parse and rdn of the form "attribute_type = attribute_value"
returning "attribute_type" and "attribute_value" respectively.

servers/slapd/proto-slap.h

@@ -123,6 +123,8 @@ char * dn_rdn LDAP_P(( Backend *be, char *dn ));
 int dn_issuffix LDAP_P(( char *dn, char *suffix ));
 int dn_type LDAP_P(( char *dn ));
 char * dn_upcase LDAP_P(( char *dn ));
+char * rdn_attr_value LDAP_P(( char * rdn ));
+char * rdn_attr_type LDAP_P(( char * rdn ));
 
 /*
  * entry.c