DB: Fix the get version string (get column in a query that wasn't executed)

src/database/update.c

@@ -336,21 +336,24 @@ error:
 LKT_DATABASE_VERSION
 database_get_version(volatile sqlite3 *db)
 {
-    static const char *SQL        = "SELECT version FROM misc WHERE id = 42;";
+    static const char *SQL   = "SELECT version FROM " LKT_PROTECTED_DATABASE ".misc;";
     sqlite3_stmt *stmt       = NULL;
-    LKT_DATABASE_VERSION ret_code = LKT_DATABASE_VERSION_ALPHA;
+    LKT_DATABASE_VERSION ret = LKT_DATABASE_VERSION_ALPHA;
 
     SQLITE_PREPARE(db, stmt, SQL, error);
+    SQLITE_STEP_ROW(db, stmt, error);
     const char *database_version = sqlite3_column_chars(stmt, 0);
 
+    LOG_DEBUG("DB", "Got version %s", database_version);
+
     if (NULL == database_version)
-        ret_code = LKT_DATABASE_VERSION_ALPHA;
+        ret = LKT_DATABASE_VERSION_ALPHA;
     else if (STR_MATCH("mk-7.1", database_version))
-        ret_code = LKT_DATABASE_VERSION_MK_7_1;
+        ret = LKT_DATABASE_VERSION_MK_7_1;
 
 error:
     sqlite3_finalize(stmt);
-    return ret_code;
+    return ret;
 }
 
 #define sqlite_just_exec(func, query)                                                                                  \