Make use of SQLITE_OPEN_FILEPROTECTION_COMPLETEUNTILFIRSTUSERAUTHENTICATION conditional. (#12548)

Author: cprince-foreflight

FirebaseRemoteConfig/Sources/RCNConfigDBManager.m

@@ -215,9 +215,12 @@ - (void)createOrOpenDatabase {
     if (!RemoteConfigCreateFilePathIfNotExist(dbPath)) {
       return;
     }
-    int flags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE |
-                SQLITE_OPEN_FILEPROTECTION_COMPLETEUNTILFIRSTUSERAUTHENTICATION |
-                SQLITE_OPEN_FULLMUTEX;
+
+    int flags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE | SQLITE_OPEN_FULLMUTEX;
+#ifdef SQLITE_OPEN_FILEPROTECTION_COMPLETEUNTILFIRSTUSERAUTHENTICATION
+    flags |= SQLITE_OPEN_FILEPROTECTION_COMPLETEUNTILFIRSTUSERAUTHENTICATION;
+#endif
+
     if (sqlite3_open_v2(databasePath, &strongSelf->_database, flags, NULL) == SQLITE_OK) {
       // Always try to create table if not exists for backward compatibility.
       if (![strongSelf createTableSchema]) {