pkg: flashdb: patch to fix struct init

Making the initialization of only one struct member explicit.

pkg/flashdb/patches/0002-kvdb-Initialize-only-status-explicitly.patch

@@ -0,0 +1,25 @@
+From fc0b3d177945f3b15b2cb0c6d07914d705bd6f4e Mon Sep 17 00:00:00 2001
+From: Oleg Hahm <[email protected]>
+Date: Wed, 6 Dec 2023 21:57:03 +0100
+Subject: [PATCH 2/2] [kvdb] Initialize only status explicitly
+
+---
+ src/fdb_kvdb.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/fdb_kvdb.c b/src/fdb_kvdb.c
+index a1118ce..505ba7b 100644
+--- a/src/fdb_kvdb.c
++++ b/src/fdb_kvdb.c
+@@ -937,7 +937,7 @@ static fdb_err_t del_kv(fdb_kvdb_t db, const char *key, fdb_kv_t old_kv, bool co
+ {
+     fdb_err_t result = FDB_NO_ERR;
+     uint32_t dirty_status_addr;
+-    struct fdb_kv kv = { FDB_KV_UNUSED };
++    struct fdb_kv kv = { .status = FDB_KV_UNUSED };
+
+ #if (KV_STATUS_TABLE_SIZE >= FDB_DIRTY_STATUS_TABLE_SIZE)
+     uint8_t status_table[KV_STATUS_TABLE_SIZE];
+-- 
+2.43.0
+