Add missing symbols.  Cherry picked from upstream master.
Bug #420821.

--- a/lib/krb5/version-script.map	2012-01-10 21:53:51.000000000 +0000
+++ b/lib/krb5/version-script.map	2012-06-13 16:23:26.000000000 +0000
@@ -42,6 +42,7 @@
 		krb5_auth_con_getrcache;
 		krb5_auth_con_getremoteseqnumber;
 		krb5_auth_con_getremotesubkey;
+		krb5_auth_con_getsendsubkey;
 		krb5_auth_con_init;
 		krb5_auth_con_removeflags;
 		krb5_auth_con_setaddrs;
@@ -383,6 +384,14 @@
 		krb5_h_errno_to_heim_errno;
 		krb5_have_error_string;
 		krb5_hmac;
+		krb5_init_creds_init;
+		krb5_init_creds_set_service;
+		krb5_init_creds_set_keytab;
+		krb5_init_creds_get;
+		krb5_init_creds_set_password;
+		krb5_init_creds_free;
+		krb5_init_creds_get_creds;
+		krb5_init_creds_get_error;
 		krb5_init_context;
 		krb5_init_ets;
 		krb5_initlog;