dict-sql: Change "uint" type to mean 64bit instead of 32bit integer.

This is likely what is usually wanted (especially in e.g. quotas).
If someone actually wants it to be restricted to 32bit, we could add
uint32 later on.

src/lib-dict/dict-sql.c

@@ -219,21 +219,21 @@ sql_dict_value_escape(string_t *str, struct sql_dict *dict,
 		      const char **error_r)
 {
 	buffer_t *buf;
-	unsigned int num;
+	uint64_t num;
 
 	switch (value_type) {
 	case DICT_SQL_TYPE_STRING:
 		str_printfa(str, "'%s%s'", sql_escape_string(dict->db, value),
 			    value_suffix);
 		return 0;
 	case DICT_SQL_TYPE_UINT:
-		if (value_suffix[0] != '\0' || str_to_uint(value, &num) < 0) {
+		if (value_suffix[0] != '\0' || str_to_uint64(value, &num) < 0) {
 			*error_r = t_strdup_printf(
-				"%s field's value isn't unsigned integer: %s%s (in pattern: %s)",
+				"%s field's value isn't 64bit unsigned integer: %s%s (in pattern: %s)",
 				field_name, value, value_suffix, map->pattern);
 			return -1;
 		}
-		str_printfa(str, "%u", num);
+		str_printfa(str, "%"PRIu64, num);
 		return 0;
 	case DICT_SQL_TYPE_HEXBLOB:
 		break;