corrected issue when building bake without remi

src/bake-file-backend.c

@@ -578,10 +578,10 @@ static int bake_file_set_conf(backend_context_t context,
     return 0;
 }
 
+#ifdef USE_REMI
 static int bake_file_create_fileset(backend_context_t context,
                                     remi_fileset_t* fileset)
 {
-#ifdef USE_REMI
     bake_file_entry_t *entry = (bake_file_entry_t*)context;
     int ret;
     /* create a fileset */
@@ -604,10 +604,8 @@ error:
     remi_fileset_free(*fileset);
     *fileset = NULL;
     goto finish;
-#else
-    return BAKE_ERR_OP_UNSUPPORTED;
-#endif
 }
+#endif
 
 bake_backend g_bake_file_backend = {
     .name                       = "file",
@@ -625,7 +623,9 @@ bake_backend g_bake_file_backend = {
     ._get_region_data           = bake_file_get_region_data,
     ._remove                    = bake_file_remove,
     ._migrate_region            = bake_file_migrate_region,
+#ifdef USE_REMI
     ._create_fileset            = bake_file_create_fileset,
+#endif
     ._set_conf                  = bake_file_set_conf
 };