lib/srdb1: cast types to get rid of compile warnings

src/lib/srdb1/db.c

@@ -445,14 +445,17 @@ int db_table_version(const db_func_t* dbf, db1_con_t* connection, const str* tab
  * Check the table version
  * 0 means ok, -1 means an error occurred
  */
-int db_check_table_version(db_func_t* dbf, db1_con_t* dbh, const str* table, const unsigned int version)
+int db_check_table_version(db_func_t* dbf, db1_con_t* dbh, const str* table,
+		const unsigned int version)
 {
 	int ver = db_table_version(dbf, dbh, table);
 	if (ver < 0) {
 		LM_ERR("querying version for table %.*s\n", table->len, table->s);
 		return -1;
-	} else if (ver != version) {
-		LM_ERR("invalid version %d for table %.*s found, expected %d (check table structure and table \"version\")\n", ver, table->len, table->s, version);
+	} else if (ver != (int)version) {
+		LM_ERR("invalid version %d for table %.*s found, expected %u"
+				" (check table structure and table \"version\")\n",
+				ver, table->len, table->s, version);
 		return -1;
 	}
 	return 0;