plugins CHANGE unify naming in plugins API

All the symbols connected with type plugins are now prefixed by
lyplg_type_ and symbols connected with extensions have lyplg_ext_
prefix.
diff --git a/src/schema_compile.c b/src/schema_compile.c
index d725efb..19e8a3a 100644
--- a/src/schema_compile.c
+++ b/src/schema_compile.c
@@ -1093,7 +1093,7 @@
     uint32_t options;
     struct ly_err_item *err = NULL;
 
-    options = (ctx->ctx->flags & LY_CTX_REF_IMPLEMENTED) ? LY_TYPE_STORE_IMPLEMENT : 0;
+    options = (ctx->ctx->flags & LY_CTX_REF_IMPLEMENTED) ? LYPLG_TYPE_STORE_IMPLEMENT : 0;
     ret = type->plugin->store(ctx->ctx, type, dflt, strlen(dflt), options, LY_PREF_SCHEMA, (void *)dflt_pmod,
             LYD_HINT_SCHEMA, node, storage, unres, &err);
     if (ret == LY_EINCOMPLETE) {