libyang MAINTENANCE unitialized var warnings

False positives.
diff --git a/src/tree_schema_common.c b/src/tree_schema_common.c
index 803009a..dcfb096 100644
--- a/src/tree_schema_common.c
+++ b/src/tree_schema_common.c
@@ -768,7 +768,7 @@
 {
     struct ly_in *in;
     char *filepath = NULL;
-    LYS_INFORMAT format;
+    LYS_INFORMAT format = 0;
     void *mod = NULL;
     LY_ERR ret = LY_SUCCESS;
     struct lysp_load_module_check_data check_data = {0};