Better return values on error.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1257 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/config_file.y

@@ -235,7 +235,7 @@ krb5_get_config_tag(k5_cfile *cf, const char *tag, char **value)
     str = strdup(tag);
     p = strtok(str, " \t");
     if(!p)
-    return ENOENT;
+	return KRB5_REALM_UNKNOWN;
     for(s = cf->sections; s; s = s->next){
 	if(!strcmp(s->name, p)){
 	    p = strtok(NULL, " \t");
@@ -255,7 +255,7 @@ krb5_get_config_tag(k5_cfile *cf, const char *tag, char **value)
 	    }
 	}
     }
-  return ENOENT;
+    return KRB5_REALM_UNKNOWN;
 }
 
 krb5_error_code